Dr. Ali Ersen is a specialist in orthopedics and traumatology at Memorial Göztepe Hospital in Istanbul (2025–present). He held the same role at Istanbul University Faculty of Medicine (2012–2025). Before that, he completed compulsory service at Kızıltepe State Hospital (2011–2012).
He completed a residency in orthopedics and traumatology at Istanbul University Faculty of Medicine (2005–2011). He earned his MD from Trakya University Faculty of Medicine (1999–2005).
Professional memberships: European Society for Surgery of the Shoulder and Elbow (SECEC) and the Turkish Society of Shoulder and Elbow Surgery (T-ODCD).
Читать подробнееDr. Ali Ersen is a specialist in orthopedics and traumatology at Memorial Göztepe Hospital in Istanbul (2025–present). He held the same role at Istanbul University Faculty of Medicine (2012–2025). Before that, he completed compulsory service at Kızıltepe State Hospital (2011–2012).
He completed a residency in orthopedics and traumatology at Istanbul University Faculty of Medicine (2005–2011). He earned his MD from Trakya University Faculty of Medicine (1999–2005).
Professional memberships: European Society for Surgery of the Shoulder and Elbow (SECEC) and the Turkish Society of Shoulder and Elbow Surgery (T-ODCD).
Dr. Ali Cemal is a Professor of Otorhinolaryngology and an ENT specialist at Memorial Göztepe Hospital. He has held this role since 2025. He served on the Marmara University ENT faculty from 2014 to 2025. Earlier, he worked as a specialist at Ümraniye and Pendik Training and Research Hospitals. He was a Clinical Fellow at Ohio State University – The James Cancer Research Center from 2015 to 2016.
Education: MD and ENT residency at Marmara University. Accreditations/memberships: European and Turkish Boards of Otorhinolaryngology (since 2015). AAO-HNSF (since 2015). Turkish Society of Otorhinolaryngology and Head & Neck Surgery. Istanbul Medical Chamber. Istanbul ENT and Head-Neck Surgery Specialists Association. Robotic Surgery Association. Turkish Facial Plastic Surgery Association. Head and Neck Surgery Association. Training: Robotic surgery (2015) and microsurgery (2018).
Читать подробнееDr. Ali Cemal is a Professor of Otorhinolaryngology and an ENT specialist at Memorial Göztepe Hospital. He has held this role since 2025. He served on the Marmara University ENT faculty from 2014 to 2025. Earlier, he worked as a specialist at Ümraniye and Pendik Training and Research Hospitals. He was a Clinical Fellow at Ohio State University – The James Cancer Research Center from 2015 to 2016.
Education: MD and ENT residency at Marmara University. Accreditations/memberships: European and Turkish Boards of Otorhinolaryngology (since 2015). AAO-HNSF (since 2015). Turkish Society of Otorhinolaryngology and Head & Neck Surgery. Istanbul Medical Chamber. Istanbul ENT and Head-Neck Surgery Specialists Association. Robotic Surgery Association. Turkish Facial Plastic Surgery Association. Head and Neck Surgery Association. Training: Robotic surgery (2015) and microsurgery (2018).
Dr. Murat Topdag is an otorhinolaryngology (ENT) specialist in Istanbul. He works at Memorial Göztepe Hospital (2025–present). He previously worked at Acibadem Altunizade Hospital (2017–2025). He also worked at Kocaeli University Faculty of Medicine (2012–2017).
He earned his MD from Istanbul University–Cerrahpaşa in 2003 (English program). He completed his ENT residency at Kocaeli University in 2009.
He completed advanced training in endoscopic endonasal skull base and pituitary surgery at the University of Pittsburgh in 2014. He trained in otologic and otoneurosurgical microsurgery at Institut Georges Portmann in 2006. He also trained in facial plastic surgery through EAFPS in 2007.
Читать подробнееDr. Murat Topdag is an otorhinolaryngology (ENT) specialist in Istanbul. He works at Memorial Göztepe Hospital (2025–present). He previously worked at Acibadem Altunizade Hospital (2017–2025). He also worked at Kocaeli University Faculty of Medicine (2012–2017).
He earned his MD from Istanbul University–Cerrahpaşa in 2003 (English program). He completed his ENT residency at Kocaeli University in 2009.
He completed advanced training in endoscopic endonasal skull base and pituitary surgery at the University of Pittsburgh in 2014. He trained in otologic and otoneurosurgical microsurgery at Institut Georges Portmann in 2006. He also trained in facial plastic surgery through EAFPS in 2007.
Dr. Suleyman Guray is a gastroenterology specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He previously worked at Medicana Izmir International Hospital (2025) and Izmir Katip Çelebi University Ataturk Training and Research Hospital (2018–2025).
He earned his MD from Ege University (1996–2002). He completed his specialization in Internal Medicine at Bozyaka Training and Research Hospital (2004–2009). He is a member of the Turkish Society of Gastroenterology and the Gastrointestinal Endoscopy Society.
His advanced endoscopy training includes CHA Bundang Medical Center. He also attended the Manchester Advanced Endoscopy Symposium and the International Congress of Gastroenterology Research, Endoscopy, and Training Society.
Читать подробнееDr. Suleyman Guray is a gastroenterology specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He previously worked at Medicana Izmir International Hospital (2025) and Izmir Katip Çelebi University Ataturk Training and Research Hospital (2018–2025).
He earned his MD from Ege University (1996–2002). He completed his specialization in Internal Medicine at Bozyaka Training and Research Hospital (2004–2009). He is a member of the Turkish Society of Gastroenterology and the Gastrointestinal Endoscopy Society.
His advanced endoscopy training includes CHA Bundang Medical Center. He also attended the Manchester Advanced Endoscopy Symposium and the International Congress of Gastroenterology Research, Endoscopy, and Training Society.
Dr. Nurullah Bulut is an ophthalmology specialist at Memorial Göztepe (2025–) and Memorial Bahçelievler (2023–). He previously worked at the University of Health Sciences Kartal Dr. Lütfi Kırdar as a specialist (2013–2022) and as an associate professor (2022–2023). He received the title of associate professor (Doçent) in 2022.
He has 26 peer-reviewed articles, 29 conference papers, one book chapter, and a patent application for an intraocular lens design. He is a member of EURETINA YOURS, the Turkish Medical Association, and the Turkish Ophthalmological Society.
Training: ESCRS PRK/LASEK/Epi-LASIK/LASIK course (2011); ocular electrophysiology, Germany (2011); vitreoretinal surgery observer program, University of Chicago (2014). Education: MD, Atatürk University (2008). Ophthalmology specialization, Kartal Dr. Lütfi Kırdar (2009–2013).
Читать подробнееDr. Nurullah Bulut is an ophthalmology specialist at Memorial Göztepe (2025–) and Memorial Bahçelievler (2023–). He previously worked at the University of Health Sciences Kartal Dr. Lütfi Kırdar as a specialist (2013–2022) and as an associate professor (2022–2023). He received the title of associate professor (Doçent) in 2022.
He has 26 peer-reviewed articles, 29 conference papers, one book chapter, and a patent application for an intraocular lens design. He is a member of EURETINA YOURS, the Turkish Medical Association, and the Turkish Ophthalmological Society.
Training: ESCRS PRK/LASEK/Epi-LASIK/LASIK course (2011); ocular electrophysiology, Germany (2011); vitreoretinal surgery observer program, University of Chicago (2014). Education: MD, Atatürk University (2008). Ophthalmology specialization, Kartal Dr. Lütfi Kırdar (2009–2013).
PROFESSIONAL EXPERIENCE
2011-2012
Erzurum Koprukoyu State Hospital
Department: General Medicine
2012-2017
Istanbul University Cerrahpaşa Medical Faculty
Department: Internal Medicine
06/2017-10/2017
Istanbul Gaziosmanpasa Taksim Training and Research Hospital
Department: Internal Medicine
10/2017-11/2018
Istanbul University Istanbul Medical Faculty
Department: Allergy and Immunology Fellowship
2018/2022
Istanbul University Oncology Institute
Department: Medical Oncology Fellowship
2022-2023
Tekirdag City Hospital
Department: Medical Oncology Specialist
2023-present
Istanbul Medipol University Medipol Bahcelievler Private Hospital
Department: Medical Oncology Assoc. Prof.
EDUCATION
2005-2011
Medical Education
Sivas Cumhuriyet University Medical Faculty, Sivas, Turkey
2012-2017
Internal Medicine
Istanbul University Cerrahpaşa Medical Faculty, Department of Internal Medicine, Istanbul, Turkey
2017-2018
Allergy-Immunology Fellowship
Istanbul University Istanbul Medical Faculty
Department of Internal Medicine, Division of Allergy and Immunology, Istanbul, Turkey
2018-2022
Medical Oncology Fellowship
Istanbul University Oncology Institute, Department of Medical Oncology, Istanbul, Turkey
2022
ESMO Board Certification in Medical Oncology
10th September 2022 in Paris, France.
2023
Medical Oncology Assoc. Prof.
Istanbul Medipol University Department of Medical Oncology, Istanbul, Turkey
INTERNATIONAL CLINICAL TRIALS:
1. Astefania - ROCHE
2. PFİZER
3. RECITE - AMGEN
4. NAVIGATE - BAYER
5. RUBY - Tesaro (PRA)
6. ENGOT-ov43/GOG-3036 - MSD
7. ASTRA ZENECA
8. ROSY-O - ASTRA ZENECA
INTERNATIONAL PUBLICATIONS
I. Published journal articles indexed by SCI, SSCI, and AHCI
Weekly Paclitaxel in Classic Kaposi Sarcoma
Carboplatin Desensitization in Ovarian Carcinoma
High-Dose Chemotherapy for Ewing’s Sarcoma
Multidrug Refractory TFE3(+) Renal Cell Carcinoma
Crizotinib Efficacy in NSCLC with MET Alterations
Clinicopathological Features in ALK Mutant NSCLC
PSMA-Based Tumor Burden in Prostate Cancer
Atezolizumab in Metastatic Urothelial Carcinoma
Pulmonary Sarcomatoid Carcinoma
Prognostic Factors in Atezolizumab-Treated Urothelial Carcinoma
Atezolizumab with Chemotherapy in Small Cell Lung Cancer
FOLFIRINOX vs. Gemcitabine + Nab-Paclitaxel in Pancreatic Cancer
Trastuzumab Emtansine in Older HER2-Positive Breast Cancer Patients
Real-Life Efficacy of Osimertinib in Advanced NSCLC
ALK-Positive Cells Percentage and Alectinib Efficacy
Real-World Data on Alectinib in ALK-Positive NSCLC
Prognostic Factors in Metastatic RCC with T790M Mutation
FLOT Regimen in Metastatic Gastric Cancer
Desensitization Protocol in Lenalidomide Hypersensitivity Reactions
Factors Associated with Diagnostic Skin Test Positivity in PPI Hypersensitivity
Efficacy of Capecitabine and Temozolomide in Neuroendocrine Tumors
Subsequent Treatments in Hormone-Positive Breast Cancer Progression
Termination of Trastuzumab in HER2-Positive Metastatic Breast Cancer
Long-term Outcomes and Predictors of Recurrence in Node-Negative Early Stage Breast Cancer
Prognostic Factors Influencing PFS in HER2-Positive Metastatic Breast Cancer
Treatment Efficacy of Ribociclib or Palbociclib plus Letrozole in Metastatic Breast Cancer
Efficacy and Safety of Sorafenib in Adult Metastatic Osteosarcoma Patients
Single-Agent Temozolomide as Salvage Therapy in Heavily Pretreated Metastatic Sarcoma Patients
Outcomes and Prognostic Factors in Metastatic Renal Cell Carcinoma with Brain Metastases
FLOT Regimen in First-Line Treatment of Metastatic Gastric Cancer
Prognostic Factors of Perioperative FLOT Regimen in Operable Gastric Cancer
Efficacy and Outcomes of Systemic Chemotherapy in Posttransplant Kaposi Sarcoma
Comparison of Second-Line Treatments in Metastatic Renal Cell Carcinoma
Toxicity Management and Effectiveness of Regorafenib in Advance GIST Patients: A Real-world Study - Authors: Paksoy, N., Ferhatoğlu, F., Doğan, İ., Khanmammadov, N., Bozbey, H. U., Karabulut, S., & Taştekin, D. - Journal: TURKISH JOURNAL OF ONCOLOGY, 1(1)
Demographic and Clinical Features and Factors Associated with Survival in Patients with Primary Glomerulonephritis: Single Tertiary Center Experience - Authors: Paksoy, N., Trabulus, S., Seyahi, N., & Altiparmak, M. R. - Journal: Namik Kemal Tip Dergisi, 11(1)
Efficacy of Sorafenib in Symptomatic Patients with Pretreated Progressive Desmoid Tumors - Authors: Paksoy, N., Ferhatoglu, F., Dogan, I., Ak, N., Pehlivan, M., Ekenel, M., & Basaran, M.
Nodal Response to Neoadjuvant Chemotherapy is a Better Predictive Factor of Survival Than Miller-Payne Scoring in Breast Cancer - Authors: Ak, Naziye, et al. - Journal: Journal of Oncological Sciences, 7.2: 42-49
Evaluation of Prognostic and Predictive Values of Hemogram Parameters in Patients with Advanced Stage Ovarian Carcinoma - Authors: Ak, Naziye, et al. - Journal: Turkish Journal of Oncology/Türk Onkoloji Dergisi, 2021, 36.4
Identifying Risk Factors Associated with Survival and Drug-Related Toxicities in Imatinib-Resistant Gastrointestinal Stromal Tumor (GIST) Patients Treated with Sunitinib - Authors: Ferhatoglu, F., Karabulut, S., Paksoy, N., & Tastekin, D.
Real-life Outcomes of ROS1 Fusion-positive Metastatic Lung Cancer Patients who were Treated with Crizotinib - Authors: Dogan, İ., Khanmammadov, N., Paksoy, N., Ferhatoglu, F., Aydın, E., Vatansever, S., & Aydine, A. - Journal: TURK ONKOLOJI DERGISI-TURKISH JOURNAL OF ONCOLOGY
Predictors of the acquisition of T790M mutation in EGFR-mutant metastatic lung cancer patients who were treated with EGFR inhibitors - Authors: Dogan, I., Khanmammadov, N., Paksoy, N., Vatansever, S., Saip, P., & Aydıner, A. - Journal: Eurasian Journal of Pulmonology
Laterality of Adrenal Gland Metastasis in Lung Cancer: Results of a Comparative Study - Authors: Ferhatoglu, F., Gagatay, T., Okumus, G., Aydiner, A., Paksoy, N., Ak, N., ... & Saip, P. - Journal: Eurasian Journal of Medical Investigation, 7(2)
Poor Risk Factors Affecting Cancer Patients Infected with Covid-19: A Retrospective Comparative Study from a Pandemic Hospital - Authors: Ferhatoglu, F., Kapağan, T., Paksoy, N., Ak, N., Medetalibeyoğlu, A., Şenkal, N., ... & Vatansever, S. - Journal: Turk Onkoloji Dergisi, 38(1)
Systemic Treatment Outcomes of Progressive Medullary Thyroid Carcinoma from the Registries of a Tertiary Cancer Center - Authors: Ferhatoglu, F., Paksoy, N., & Başaran, M. - Journal: Namik Kemal Tip Dergisi, 10(4)
Evaluation of clinical features and risk factors related to late recurrence (> 5 years) in patients with breast cancer - Authors: Ferhatoglu, F., Aydiner, A., & Paksoy, N. - Journal: Journal of Surgery & Medicine (JOSAM), 6(12)
Assessing the Clinical Impact of Lutetium-177 DOTATATE Peptide Receptor Radionuclide Therapy (PRRT) on Metastatic Neuroendocrine Tumors: A Multicenter Real-World Data from Türkiye
Thesis:
Istanbul University Cerrahpaşa Medical Faculty, Internal Medicine Department PAKSOY, Nail. Demographical, clinical characteristics and survival factors in patients withprimary glomerulonephritis: Cerrahpasa Medical Faculty Experience. (2016)
International Refereed Congress / Symposium Publications in Proceedings (ASCO/ESMO Abstracts)
Prognostic factors influencing progression-free survival in HER2 positive metastatic breast cancer patients who treated with lapatinib and capecitabine combination
Efficacy of regorafenib and 5-fluorouracil-based rechallenge treatment in the third-line treatment of metastatic colorectal cancer: A Turkish oncology group study
Long-term outcomes and predictors of recurrence in patients with early-stage node-negative breast cancer
Efficacy of temozolomide in pretreated patients with metastatic sarcoma
Efficacy of sorafenib in symptomatic patients with pretreated progressive desmoid tumors
Efficacy of sorafenib in heavily pretreated adult patients with metastatic osteosarcoma
Outcomes and prognostic factors in metastatic renal cell carcinoma patients with brain metastases
Association of response to first-line chemotherapy with the efficacy of atezolizumab in patients with metastatic urothelial carcinoma
Safety and survival in adult women with platinum-sensitive relapsed BRCA mutant ovarian cancer: A study of patients in Olaparib Turkey Early Access Program—LynTurk study
Atezolizumab in patients with metastatic urothelial carcinoma who have progressed after first-line chemotherapy: Results of real-life experiences
Читать подробнее
PROFESSIONAL EXPERIENCE
2011-2012
Erzurum Koprukoyu State Hospital
Department: General Medicine
2012-2017
Istanbul University Cerrahpaşa Medical Faculty
Department: Internal Medicine
06/2017-10/2017
Istanbul Gaziosmanpasa Taksim Training and Research Hospital
Department: Internal Medicine
10/2017-11/2018
Istanbul University Istanbul Medical Faculty
Department: Allergy and Immunology Fellowship
2018/2022
Istanbul University Oncology Institute
Department: Medical Oncology Fellowship
2022-2023
Tekirdag City Hospital
Department: Medical Oncology Specialist
2023-present
Istanbul Medipol University Medipol Bahcelievler Private Hospital
Department: Medical Oncology Assoc. Prof.
EDUCATION
2005-2011
Medical Education
Sivas Cumhuriyet University Medical Faculty, Sivas, Turkey
2012-2017
Internal Medicine
Istanbul University Cerrahpaşa Medical Faculty, Department of Internal Medicine, Istanbul, Turkey
2017-2018
Allergy-Immunology Fellowship
Istanbul University Istanbul Medical Faculty
Department of Internal Medicine, Division of Allergy and Immunology, Istanbul, Turkey
2018-2022
Medical Oncology Fellowship
Istanbul University Oncology Institute, Department of Medical Oncology, Istanbul, Turkey
2022
ESMO Board Certification in Medical Oncology
10th September 2022 in Paris, France.
2023
Medical Oncology Assoc. Prof.
Istanbul Medipol University Department of Medical Oncology, Istanbul, Turkey
INTERNATIONAL CLINICAL TRIALS:
1. Astefania - ROCHE
2. PFİZER
3. RECITE - AMGEN
4. NAVIGATE - BAYER
5. RUBY - Tesaro (PRA)
6. ENGOT-ov43/GOG-3036 - MSD
7. ASTRA ZENECA
8. ROSY-O - ASTRA ZENECA
INTERNATIONAL PUBLICATIONS
I. Published journal articles indexed by SCI, SSCI, and AHCI
Weekly Paclitaxel in Classic Kaposi Sarcoma
Carboplatin Desensitization in Ovarian Carcinoma
High-Dose Chemotherapy for Ewing’s Sarcoma
Multidrug Refractory TFE3(+) Renal Cell Carcinoma
Crizotinib Efficacy in NSCLC with MET Alterations
Clinicopathological Features in ALK Mutant NSCLC
PSMA-Based Tumor Burden in Prostate Cancer
Atezolizumab in Metastatic Urothelial Carcinoma
Pulmonary Sarcomatoid Carcinoma
Prognostic Factors in Atezolizumab-Treated Urothelial Carcinoma
Atezolizumab with Chemotherapy in Small Cell Lung Cancer
FOLFIRINOX vs. Gemcitabine + Nab-Paclitaxel in Pancreatic Cancer
Trastuzumab Emtansine in Older HER2-Positive Breast Cancer Patients
Real-Life Efficacy of Osimertinib in Advanced NSCLC
ALK-Positive Cells Percentage and Alectinib Efficacy
Real-World Data on Alectinib in ALK-Positive NSCLC
Prognostic Factors in Metastatic RCC with T790M Mutation
FLOT Regimen in Metastatic Gastric Cancer
Desensitization Protocol in Lenalidomide Hypersensitivity Reactions
Factors Associated with Diagnostic Skin Test Positivity in PPI Hypersensitivity
Efficacy of Capecitabine and Temozolomide in Neuroendocrine Tumors
Subsequent Treatments in Hormone-Positive Breast Cancer Progression
Termination of Trastuzumab in HER2-Positive Metastatic Breast Cancer
Long-term Outcomes and Predictors of Recurrence in Node-Negative Early Stage Breast Cancer
Prognostic Factors Influencing PFS in HER2-Positive Metastatic Breast Cancer
Treatment Efficacy of Ribociclib or Palbociclib plus Letrozole in Metastatic Breast Cancer
Efficacy and Safety of Sorafenib in Adult Metastatic Osteosarcoma Patients
Single-Agent Temozolomide as Salvage Therapy in Heavily Pretreated Metastatic Sarcoma Patients
Outcomes and Prognostic Factors in Metastatic Renal Cell Carcinoma with Brain Metastases
FLOT Regimen in First-Line Treatment of Metastatic Gastric Cancer
Prognostic Factors of Perioperative FLOT Regimen in Operable Gastric Cancer
Efficacy and Outcomes of Systemic Chemotherapy in Posttransplant Kaposi Sarcoma
Comparison of Second-Line Treatments in Metastatic Renal Cell Carcinoma
Toxicity Management and Effectiveness of Regorafenib in Advance GIST Patients: A Real-world Study - Authors: Paksoy, N., Ferhatoğlu, F., Doğan, İ., Khanmammadov, N., Bozbey, H. U., Karabulut, S., & Taştekin, D. - Journal: TURKISH JOURNAL OF ONCOLOGY, 1(1)
Demographic and Clinical Features and Factors Associated with Survival in Patients with Primary Glomerulonephritis: Single Tertiary Center Experience - Authors: Paksoy, N., Trabulus, S., Seyahi, N., & Altiparmak, M. R. - Journal: Namik Kemal Tip Dergisi, 11(1)
Efficacy of Sorafenib in Symptomatic Patients with Pretreated Progressive Desmoid Tumors - Authors: Paksoy, N., Ferhatoglu, F., Dogan, I., Ak, N., Pehlivan, M., Ekenel, M., & Basaran, M.
Nodal Response to Neoadjuvant Chemotherapy is a Better Predictive Factor of Survival Than Miller-Payne Scoring in Breast Cancer - Authors: Ak, Naziye, et al. - Journal: Journal of Oncological Sciences, 7.2: 42-49
Evaluation of Prognostic and Predictive Values of Hemogram Parameters in Patients with Advanced Stage Ovarian Carcinoma - Authors: Ak, Naziye, et al. - Journal: Turkish Journal of Oncology/Türk Onkoloji Dergisi, 2021, 36.4
Identifying Risk Factors Associated with Survival and Drug-Related Toxicities in Imatinib-Resistant Gastrointestinal Stromal Tumor (GIST) Patients Treated with Sunitinib - Authors: Ferhatoglu, F., Karabulut, S., Paksoy, N., & Tastekin, D.
Real-life Outcomes of ROS1 Fusion-positive Metastatic Lung Cancer Patients who were Treated with Crizotinib - Authors: Dogan, İ., Khanmammadov, N., Paksoy, N., Ferhatoglu, F., Aydın, E., Vatansever, S., & Aydine, A. - Journal: TURK ONKOLOJI DERGISI-TURKISH JOURNAL OF ONCOLOGY
Predictors of the acquisition of T790M mutation in EGFR-mutant metastatic lung cancer patients who were treated with EGFR inhibitors - Authors: Dogan, I., Khanmammadov, N., Paksoy, N., Vatansever, S., Saip, P., & Aydıner, A. - Journal: Eurasian Journal of Pulmonology
Laterality of Adrenal Gland Metastasis in Lung Cancer: Results of a Comparative Study - Authors: Ferhatoglu, F., Gagatay, T., Okumus, G., Aydiner, A., Paksoy, N., Ak, N., ... & Saip, P. - Journal: Eurasian Journal of Medical Investigation, 7(2)
Poor Risk Factors Affecting Cancer Patients Infected with Covid-19: A Retrospective Comparative Study from a Pandemic Hospital - Authors: Ferhatoglu, F., Kapağan, T., Paksoy, N., Ak, N., Medetalibeyoğlu, A., Şenkal, N., ... & Vatansever, S. - Journal: Turk Onkoloji Dergisi, 38(1)
Systemic Treatment Outcomes of Progressive Medullary Thyroid Carcinoma from the Registries of a Tertiary Cancer Center - Authors: Ferhatoglu, F., Paksoy, N., & Başaran, M. - Journal: Namik Kemal Tip Dergisi, 10(4)
Evaluation of clinical features and risk factors related to late recurrence (> 5 years) in patients with breast cancer - Authors: Ferhatoglu, F., Aydiner, A., & Paksoy, N. - Journal: Journal of Surgery & Medicine (JOSAM), 6(12)
Assessing the Clinical Impact of Lutetium-177 DOTATATE Peptide Receptor Radionuclide Therapy (PRRT) on Metastatic Neuroendocrine Tumors: A Multicenter Real-World Data from Türkiye
Thesis:
Istanbul University Cerrahpaşa Medical Faculty, Internal Medicine Department PAKSOY, Nail. Demographical, clinical characteristics and survival factors in patients withprimary glomerulonephritis: Cerrahpasa Medical Faculty Experience. (2016)
International Refereed Congress / Symposium Publications in Proceedings (ASCO/ESMO Abstracts)
Prognostic factors influencing progression-free survival in HER2 positive metastatic breast cancer patients who treated with lapatinib and capecitabine combination
Efficacy of regorafenib and 5-fluorouracil-based rechallenge treatment in the third-line treatment of metastatic colorectal cancer: A Turkish oncology group study
Long-term outcomes and predictors of recurrence in patients with early-stage node-negative breast cancer
Efficacy of temozolomide in pretreated patients with metastatic sarcoma
Efficacy of sorafenib in symptomatic patients with pretreated progressive desmoid tumors
Efficacy of sorafenib in heavily pretreated adult patients with metastatic osteosarcoma
Outcomes and prognostic factors in metastatic renal cell carcinoma patients with brain metastases
Association of response to first-line chemotherapy with the efficacy of atezolizumab in patients with metastatic urothelial carcinoma
Safety and survival in adult women with platinum-sensitive relapsed BRCA mutant ovarian cancer: A study of patients in Olaparib Turkey Early Access Program—LynTurk study
Atezolizumab in patients with metastatic urothelial carcinoma who have progressed after first-line chemotherapy: Results of real-life experiences
Dr. Esra Esim Buyukbayrak is an obstetrics and gynecology specialist and a perinatology (maternal–fetal medicine) subspecialist. She has practiced at Memorial Göztepe Hospital since 2025. She served as Head of Department and Clinical Administrative and Training Director at the Marmara University Faculty of Medicine from 2022 to 2025. From 2015 to 2025, she worked at Marmara University Pendik Training and Research Hospital as a perinatology subspecialist. She also served there as associate professor and later professor.
She holds an MD from Marmara University. She completed residency in obstetrics and gynecology and subspecialty training in perinatology. She received WHO–IAMANEH reproductive health training in Geneva in 2004. She completed advanced obstetrics and gynecology training in 2013. She trained in fetal surgery at Centro Gestar, Brazil, in 2023.
She has 86 SCI/SSCI-indexed articles and 84 nationally indexed articles. She has delivered 51 international and 40 national congress presentations. She has written 9 book chapters and supervised 15 doctoral dissertations. She serves as a reviewer and editorial board member for several journals.
Читать подробнееDr. Esra Esim Buyukbayrak is an obstetrics and gynecology specialist and a perinatology (maternal–fetal medicine) subspecialist. She has practiced at Memorial Göztepe Hospital since 2025. She served as Head of Department and Clinical Administrative and Training Director at the Marmara University Faculty of Medicine from 2022 to 2025. From 2015 to 2025, she worked at Marmara University Pendik Training and Research Hospital as a perinatology subspecialist. She also served there as associate professor and later professor.
She holds an MD from Marmara University. She completed residency in obstetrics and gynecology and subspecialty training in perinatology. She received WHO–IAMANEH reproductive health training in Geneva in 2004. She completed advanced obstetrics and gynecology training in 2013. She trained in fetal surgery at Centro Gestar, Brazil, in 2023.
She has 86 SCI/SSCI-indexed articles and 84 nationally indexed articles. She has delivered 51 international and 40 national congress presentations. She has written 9 book chapters and supervised 15 doctoral dissertations. She serves as a reviewer and editorial board member for several journals.
Dr. Bulen Can is an endocrinology specialist at Memorial Göztepe Hospital (2025–present). He previously worked at Acıbadem Ataşehir (2024–2025). From 2017 to 2024, he was a faculty member in the Division of Endocrinology at Istanbul Medeniyet University. He also practiced at Ankara Numune, Kastamonu Dr. M. İslamoğlu, and Ümraniye Training and Research Hospitals. He has been an endocrinology specialist since 2013.
He completed subspecialty training in Endocrinology and Metabolic Diseases at Istanbul University, Istanbul Faculty of Medicine (2009–2013). Before that, he finished his Internal Medicine residency at Bezm‑i Âlem Vakıf Gureba (2003–2009). He received his M.D. from the Istanbul Faculty of Medicine. He is a member of TEMD, TİHUD, TTB, and the Istanbul Medical Chamber. He attended the 46th TEMD Congress (2025), Aydın Endocrine Days (2022), and Clinical Research Training (2017).
Читать подробнееDr. Bulen Can is an endocrinology specialist at Memorial Göztepe Hospital (2025–present). He previously worked at Acıbadem Ataşehir (2024–2025). From 2017 to 2024, he was a faculty member in the Division of Endocrinology at Istanbul Medeniyet University. He also practiced at Ankara Numune, Kastamonu Dr. M. İslamoğlu, and Ümraniye Training and Research Hospitals. He has been an endocrinology specialist since 2013.
He completed subspecialty training in Endocrinology and Metabolic Diseases at Istanbul University, Istanbul Faculty of Medicine (2009–2013). Before that, he finished his Internal Medicine residency at Bezm‑i Âlem Vakıf Gureba (2003–2009). He received his M.D. from the Istanbul Faculty of Medicine. He is a member of TEMD, TİHUD, TTB, and the Istanbul Medical Chamber. He attended the 46th TEMD Congress (2025), Aydın Endocrine Days (2022), and Clinical Research Training (2017).
GATA Haydarpaşa Training and Research Hospital Istanbul, Turkey
Residency program Sep 2011
Infectious Diseases and Clinical Microbiology Department fellowship program.
Gülhane Military Medical Academy Ankara, Turkey
Bachelor of Science: Medical School Aug 2003
Kuleli Military High School Istanbul, Turkey
High School Diploma Jul 1997
Health Sciences University Istanbul, Turkey
Associated Professor of Infectious Diseases Aug 2021 - Current
Associated Professor
Sisli Hamidiye Etfal Training and Research Hospital Istanbul, Turkey
Infectious Diseases Physician July 2020–August 2021
Infectious Diseases Physician
Yale School of Medicine Infectious Diseases Department New Haven, CT, USA
Associate Research Scientist June 2019- June2020
Research to improve vaccine against Tick Borne Diseases (Lyme Diseases, Babesiosis etc.)
Yale School of Medicine Infectious Diseases Department New Haven, CT, USA
Visiting Research Scientist Jul 2018 - June2019
Research to improve vaccine against Tick Borne Diseases (Lyme Diseases, Babesiosis etc.)
Turkish Ministry of Health Ankara, Turkey
Head of Health Tourism unit Feb 2017 - June 2018
Improving the health tourism policy of Turkey.
Sisli Hamidiye Etfal Training and Research Hospital Istanbul, Turkey
Infectious Diseases Physician Aug 2016 - June 2018
Infectious Diseases Physician
Tatvan Military Hospital Bitlis , Turkey
Infectious Diseases Physician Jul 2013 - Aug 2016
Infectious Diseases physician
Girne Military Hospital Turkish Republic of Northern Cyprus
Infectious Diseases Physician Oct 2011 - Jun 2013
Infectious diseases physician
GATA Training and Research Hospital Istanbul, Turkey
Residency period Jul 2006 - Sep 2011
4 th. Mechanized Infantry Brigade Command Edirne, Kesan, Turkey
Medical Doctor, May 2004 - Jun 2006
Maintaining the basic health services of the military unit.
Читать подробнееGATA Haydarpaşa Training and Research Hospital Istanbul, Turkey
Residency program Sep 2011
Infectious Diseases and Clinical Microbiology Department fellowship program.
Gülhane Military Medical Academy Ankara, Turkey
Bachelor of Science: Medical School Aug 2003
Kuleli Military High School Istanbul, Turkey
High School Diploma Jul 1997
Health Sciences University Istanbul, Turkey
Associated Professor of Infectious Diseases Aug 2021 - Current
Associated Professor
Sisli Hamidiye Etfal Training and Research Hospital Istanbul, Turkey
Infectious Diseases Physician July 2020–August 2021
Infectious Diseases Physician
Yale School of Medicine Infectious Diseases Department New Haven, CT, USA
Associate Research Scientist June 2019- June2020
Research to improve vaccine against Tick Borne Diseases (Lyme Diseases, Babesiosis etc.)
Yale School of Medicine Infectious Diseases Department New Haven, CT, USA
Visiting Research Scientist Jul 2018 - June2019
Research to improve vaccine against Tick Borne Diseases (Lyme Diseases, Babesiosis etc.)
Turkish Ministry of Health Ankara, Turkey
Head of Health Tourism unit Feb 2017 - June 2018
Improving the health tourism policy of Turkey.
Sisli Hamidiye Etfal Training and Research Hospital Istanbul, Turkey
Infectious Diseases Physician Aug 2016 - June 2018
Infectious Diseases Physician
Tatvan Military Hospital Bitlis , Turkey
Infectious Diseases Physician Jul 2013 - Aug 2016
Infectious Diseases physician
Girne Military Hospital Turkish Republic of Northern Cyprus
Infectious Diseases Physician Oct 2011 - Jun 2013
Infectious diseases physician
GATA Training and Research Hospital Istanbul, Turkey
Residency period Jul 2006 - Sep 2011
4 th. Mechanized Infantry Brigade Command Edirne, Kesan, Turkey
Medical Doctor, May 2004 - Jun 2006
Maintaining the basic health services of the military unit.
EDUCATION:
2000 - SSK Okmeydanı Training and Research Hospital, .
1996 - Istanbul University, Istanbul Faculty of Medicine
EXPERIENCE:
2019 - Istanbul Medipol University Pendik Hospital
2017 - 2019 - Private Adatıp Kurtköy Hospital
2005 - 2017 - Private Avicenna Umut Hospital
2003 - 2005 - SSK Yalova Regional Hospital
2002 - 2003 - Kayseri Military Hospital
Читать подробнее
EDUCATION:
2000 - SSK Okmeydanı Training and Research Hospital, .
1996 - Istanbul University, Istanbul Faculty of Medicine
EXPERIENCE:
2019 - Istanbul Medipol University Pendik Hospital
2017 - 2019 - Private Adatıp Kurtköy Hospital
2005 - 2017 - Private Avicenna Umut Hospital
2003 - 2005 - SSK Yalova Regional Hospital
2002 - 2003 - Kayseri Military Hospital
Professor Dr. Engin Cakar is a specialist in Physical Medicine and Rehabilitation, Algology (Pain Medicine), and Electrodiagnostic Neurology. He practices at Memorial Göztepe and Memorial Şişli Hospitals. He previously held posts at Medipol Mega University Hospital and GATA Haydarpaşa Training Hospital.
Titles and training: Professor (2016). Associate Professor (2011). Algology specialty, Ministry of Health Medical Specialization Board–GATA (2011). Electrodiagnostic Neurology, Marmara University (2007–2010).
Publications: 40 international and 17 national peer-reviewed articles. Presentations: 17 international and 12 national. He has also written many book chapters. Memberships: European Society of PRM; Turkish PM&R; Turkish Algology; Turkish Clinical Neurophysiology (EEG–EMG). He chairs the Brain Stimulation and Neurorestoration Working Group.
Further training: Harvard Medical School—Transcranial Magnetic Stimulation and Direct Current Stimulation. He has given many invited lectures and attended many congresses.
Читать подробнееProfessor Dr. Engin Cakar is a specialist in Physical Medicine and Rehabilitation, Algology (Pain Medicine), and Electrodiagnostic Neurology. He practices at Memorial Göztepe and Memorial Şişli Hospitals. He previously held posts at Medipol Mega University Hospital and GATA Haydarpaşa Training Hospital.
Titles and training: Professor (2016). Associate Professor (2011). Algology specialty, Ministry of Health Medical Specialization Board–GATA (2011). Electrodiagnostic Neurology, Marmara University (2007–2010).
Publications: 40 international and 17 national peer-reviewed articles. Presentations: 17 international and 12 national. He has also written many book chapters. Memberships: European Society of PRM; Turkish PM&R; Turkish Algology; Turkish Clinical Neurophysiology (EEG–EMG). He chairs the Brain Stimulation and Neurorestoration Working Group.
Further training: Harvard Medical School—Transcranial Magnetic Stimulation and Direct Current Stimulation. He has given many invited lectures and attended many congresses.
Dr. Fatih Yildiz is an Orthopedics and Traumatology Specialist at Memorial Göztepe Hospital, Istanbul (2025–present). He previously worked at Bezmialem Foundation University, Faculty of Medicine (2013–2025). He also worked at Kızıltepe State Hospital, Mardin (2012–2013). He completed his Orthopedics and Traumatology residency at Istanbul University, Istanbul Faculty of Medicine (2006–2012). He earned his MD from the same faculty (1999–2005).
Professional memberships: TOTBİD (Turkish Orthopedics and Traumatology Association), TOTDER (Turkish Society of Orthopedics and Traumatology), and TOTEK (Turkish Orthopedics and Traumatology Education Council).
Читать подробнееDr. Fatih Yildiz is an Orthopedics and Traumatology Specialist at Memorial Göztepe Hospital, Istanbul (2025–present). He previously worked at Bezmialem Foundation University, Faculty of Medicine (2013–2025). He also worked at Kızıltepe State Hospital, Mardin (2012–2013). He completed his Orthopedics and Traumatology residency at Istanbul University, Istanbul Faculty of Medicine (2006–2012). He earned his MD from the same faculty (1999–2005).
Professional memberships: TOTBİD (Turkish Orthopedics and Traumatology Association), TOTDER (Turkish Society of Orthopedics and Traumatology), and TOTEK (Turkish Orthopedics and Traumatology Education Council).
Education
Experience
Education
Experience
Education and Experience
Education and Experience
Dr. Kazibe Demir is an Obstetrics and Gynecology Specialist at Memorial Göztepe Hospital (2025–). She previously worked at Kadıköy Medicana Hospital (2022–2025) and Dr. Lütfi Kırdar Kartal Training and Research Hospital (2018–2022). She focuses on urogynecology.
Education: MD, Ankara University (2010). Obstetrics and Gynecology residency, Ankara University Faculty of Medicine (2016). PhD program in Urogynecology, Ankara University – University of Health Sciences (2020–2025).
Professional memberships: Turkish Urogynecology and Pelvic Rehabilitation Society; International Urogynecological Association (IUGA). Continuing education: IUGA 2025 (Barcelona). EUGA 2025 (Varese). Turkish Urogynecology and Pelvic Rehabilitation Society Meeting 2024 (Istanbul).
Читать подробнееDr. Kazibe Demir is an Obstetrics and Gynecology Specialist at Memorial Göztepe Hospital (2025–). She previously worked at Kadıköy Medicana Hospital (2022–2025) and Dr. Lütfi Kırdar Kartal Training and Research Hospital (2018–2022). She focuses on urogynecology.
Education: MD, Ankara University (2010). Obstetrics and Gynecology residency, Ankara University Faculty of Medicine (2016). PhD program in Urogynecology, Ankara University – University of Health Sciences (2020–2025).
Professional memberships: Turkish Urogynecology and Pelvic Rehabilitation Society; International Urogynecological Association (IUGA). Continuing education: IUGA 2025 (Barcelona). EUGA 2025 (Varese). Turkish Urogynecology and Pelvic Rehabilitation Society Meeting 2024 (Istanbul).
Dr. Mustafa Serkan Durdu is a cardiovascular surgeon at Memorial Göztepe Hospital. He previously worked at Memorial Ankara Hospital and Ankara University. He focuses on minimally invasive heart and valve surgery. His work includes right anterior minithoracotomy and combined procedures.
He has published peer-reviewed studies on sutureless aortic valve replacement. His work also covers multiple valve implantation via right anterior thoracotomy, valve surgery with right coronary artery bypass, and molecular markers of chronic atrial fibrillation. His papers have appeared in The Journal of Thoracic and Cardiovascular Surgery, Heart, Lung and Circulation, and The Thoracic and Cardiovascular Surgeon.
He earned his MD from Erciyes University. He completed cardiovascular surgery training at Ankara University and additional training in biotechnology and genetics. He is a member of EACTS, ISMICS, MIRC, and Turkish societies for cardiovascular surgery, vascular surgery, and hematology.
Читать подробнееDr. Mustafa Serkan Durdu is a cardiovascular surgeon at Memorial Göztepe Hospital. He previously worked at Memorial Ankara Hospital and Ankara University. He focuses on minimally invasive heart and valve surgery. His work includes right anterior minithoracotomy and combined procedures.
He has published peer-reviewed studies on sutureless aortic valve replacement. His work also covers multiple valve implantation via right anterior thoracotomy, valve surgery with right coronary artery bypass, and molecular markers of chronic atrial fibrillation. His papers have appeared in The Journal of Thoracic and Cardiovascular Surgery, Heart, Lung and Circulation, and The Thoracic and Cardiovascular Surgeon.
He earned his MD from Erciyes University. He completed cardiovascular surgery training at Ankara University and additional training in biotechnology and genetics. He is a member of EACTS, ISMICS, MIRC, and Turkish societies for cardiovascular surgery, vascular surgery, and hematology.
Ophthalmology
Awards
Ophthalmology
Awards
Dr. Mehmet Orçun Akdemir is a member of the Turkish Ophthalmology Association. He has published 24 articles in international peer‑reviewed journals, many indexed in SCI/SCI‑E. He has 17 papers in national peer‑reviewed journals. He has given 5 presentations at international meetings.
His work centers on the cornea and anterior segment. Areas include keratoconus; DALK, PKP, and DSAEK; corneal biomechanics; and corneal cross‑linking. He also studies glaucoma surgery after keratoplasty, ocular surface disease and pseudoexfoliation, and neuro‑ophthalmology and retina. He contributed to 4 ophthalmology book translations. His studies compare DALK and PKP outcomes in keratoconus, analyze biomechanics after DALK, evaluate graft thickness after DSAEK, and compare trabeculectomy with the Ahmed valve in post‑PKP glaucoma.
Читать подробнееDr. Mehmet Orçun Akdemir is a member of the Turkish Ophthalmology Association. He has published 24 articles in international peer‑reviewed journals, many indexed in SCI/SCI‑E. He has 17 papers in national peer‑reviewed journals. He has given 5 presentations at international meetings.
His work centers on the cornea and anterior segment. Areas include keratoconus; DALK, PKP, and DSAEK; corneal biomechanics; and corneal cross‑linking. He also studies glaucoma surgery after keratoplasty, ocular surface disease and pseudoexfoliation, and neuro‑ophthalmology and retina. He contributed to 4 ophthalmology book translations. His studies compare DALK and PKP outcomes in keratoconus, analyze biomechanics after DALK, evaluate graft thickness after DSAEK, and compare trabeculectomy with the Ahmed valve in post‑PKP glaucoma.