Best Tumor Marker Blood Test gastroenterologists in Istanbul: TOP 53 doctors

Dr. Canan Yildirim is a neonatology and pediatric specialist. She earned her medical degree from Hacettepe University Faculty of Medicine (English). She completed her residency in Child Health and Diseases at Hacettepe University. She also received a minor in Neonatology from Zekai Tahir Burak Women's Health Training and Research Hospital.

Dr. Yildirim has worked as a Neonatology Specialist and Associate at Istanbul Medipol University Faculty of Medicine. She has also held important positions at Samsun Maternity and Child Hospital and Zekai Tahir Burak Hospital. She has strong clinical experience and has conducted pediatric research at Hacettepe University. Dr. Yildirim is known for her skills in neonatal care and child health.

Dr. Omer Necip Aytug is a respected gastroenterologist. He graduated from Hacettepe University School of Medicine in 1980. He became an internist at Cukurova University in 1985. He completed his gastroenterology fellowship at Marmara University in 1997.

He was named Associate Professor at Firat University in 1989. In 1998, he became a Professor at Abant Izzet Baysal University. Dr. Aytug has written many scientific papers and book chapters. He has also attended several national and international congresses.

He has held important academic and clinical roles at Duzce University Faculty of Medicine, Camlica Medicana Hospital, and Memorial Service Hospital. These positions have established him as an expert in gastroenterology.

Prof. Dr. Sezer Sağlam is a medical oncologist at Gayrettepe Florence Nightingale Hospital. He specializes in gastrointestinal and breast cancers. He has contributed to cancer care through research, especially with his study on the best timing for surgery after neoadjuvant therapy in rectal cancer. This work has influenced global treatment protocols.

Dr. Sağlam has led clinical trials in targeted therapies and precision medicine. His research on liver-transplanted patients with hepatocellular carcinoma was nominated for the 2024 International Best Researcher Award. He is a member of ASCO, ESMO, and ENET. Dr. Sağlam provides personalized and evidence-based oncology care.

Education

MD; Hacettepe University Faculty of Medicine (2001)

Residencies

Internal Medicine; Ministry of Health Ankara Diskapi Education and Research Hospital (2009)

Pathology; Gazi University Faculty of Medicine (2004)

Fellowships

Gastroenterology and Hepatology; Necmettin Erbakan University Faculty of Medicine (2013)

Experiences

Demiroglu Bilim University Faculty of Medicine, Department of Gastroenterology and Hepatology

Istanbul Florence Nightingale Hospital (2019- currently)

Alanya Alaaddin Keykubat University Faculty of Medicine, Department of Gastroenterology and Hepatology (2017-2019)

Bundang CHA Hospital, Seoul, Korea (2018)

Konya Education and Research Hospital, Department of Gastroenterology  (2014-2017)

Certificates

Advanced Endoscopy Certificate, Bundang CHA Hospital, Seoul, Korea, 2018

Bariatric Endoscopy Certificate, Bariatric Endoscopy Global course, Sao Paulo, Brazil, 2020

Awards

2019 Rising Star, 10th Digestive Disease and Endoscopy Symposium

Memberships

Turkish Society of Internal Medicine

Turkish Society of Gastroenterology

ERCP Study Group at Turkish Society of Gastroenterology

European Society of Gastrointestinal Endoscopy

Women in Endoscopy, American Society of Gastrointestinal Endoscopy

Education:

2015

Dokuz Eylül University, Medical Faculty, Internal Medicine and Hematology 

2010

Dokuz Eylül University, Medical Faculty, Internal Medicine 

2005

Hacettepe University, Medical Faculty,

Experience:

2024 – 

Istanbul Florence Nightingale Hospital

2017 – 2024

Bağcılar Medipol University Hospital

2017 – 2017

Fırat University

2015 - 2017

Fırat University

2014 - 2015

Mayo Clinic

Publications:

18 Articles Published in International Peer-Reviewed Journals

26 Abstracts and Books Presented at International Scientific Conferences

7 Articles Published in National Peer-Reviewed Journals

51 Abstracts Presented at National Scientific Conferences

*CURRICULUM VITAE*

*ASSOC. PROF. DR. BURAK ORHAN BORAN*  

Specialist in Neurosurgery  

EDUCATION:

• Turhan and Mediha Tansel Primary School (1979–1984)
• Kültür College (1984–1988)
• Semiha Şakir High School (1988–1991)
• Marmara University Faculty of Medicine (1991–1997)
• Marmara University Faculty of Medicine, Neurosurgery Department, Specialist Training (1997–2002)
• Title of Associate Professor in Neurosurgery (May 31, 2021)

ADDITIONAL TRAINING:

- “Visiting Physician”, University of Southern California, Department of Neurosurgery (1998)

- “Microsurgery Training”, Gülhane Military Medical Academy, Ankara Training and Research Hospital (2003)

*WORK PLACES:*

- GATA Haydarpaşa Training Research Hospital (2002–2003)

- Dr. Lütfi Kırdar Kartal Training Research Hospital (2003–2005)

- Özel Avicenna Ataşehir Hospital (2005–2012)

- Özel 29 Mayıs Hospital (2012–2013)

- Maltepe State Hospital (2013–2018)

- Kartal Dr. Lütfi Kırdar City Hospital (2018–2020)

- Özel Academic Hospital (2020–2022)

- Hisar Intercontinental Hospital (2022–2024)

- Özel Medipol Acıbadem Regional Hospital (2024-present)

*ADMINISTRATIVE AND ACADEMIC POSITIONS:*

- Board Member of the Society of Neurosurgeons (2006–2009)

- Emergency Service Responsibility at Maltepe State Hospital (2014–2016)

- Assistant Chief Physician at Özel Academic Hospital (2020–2021)

- Member of the Advisory Board at Beykent University Faculty of Medicine (2018–2024)

- Faculty Member at Galata University Faculty of Health Sciences (2022–2024)

- Director of the Continuous Education Center at Galata University (2022–2024)

*PUBLICATIONS IN SCIENCE CITATION INDEX AND SCI EXPANDED:*

- Guculu B, Deniz L, Yuce Y, Adilay U, Aytar H, Turkoglu M, Tiryaki M, Ozdek R, Boran BO: Transformational epidural steroid injection in the treatment of pain in foraminal and parameidan lumbar disc herniations. Turkish Neurosurgery 30: 394-399, 2020.

- Boran P, Tokuc G, Boran BO, Oktem S: Intracerebral hematoma as a complication of intrathecal methotrexate administration. Pediatric Blood & Cancer 50:152-154, 2008.

- Boran BO, Boran P, Barut N, Akgun C, Celikoglu E, Bozbuga M: Evaluation of mild head trauma in pediatric population. Pediatric Neurosurgery 42:203-207, 2006.

- Tokuc G, Boran P, Boran BO: Cleidocranial dysplasia in a mother and her daughter within the scope of neurosurgery. Journal of Neurosurgery (4 Suppl Pediatrics) 104:290-292, 2006.

- Celikoglu E, Boran BO, Bozbuga M: Abscess formation in Rathke’s cleft cyst. Neurology India 54(2):213–214, 2006.

- Bozbuga M, Boran BO, Sahinoğlu K: Surface anatomy of the posterolateral cranium regarding the localization of the initial burr-hole for retrosigmoid approach. Neurosurgical Review 29(1):61–63, 2006.

- Boran BO: Rhombencephalosynapsis: a rare cerebellar malformation. Journal of Neurological Sciences (Turkish) 23(1):46-48, 2006.

- Boran BO, Colak A, Kutlay M: Erythropoietin enhances neurological recovery after experimental spinal cord injury. Restorative Neurology and Neuroscience 23:341–345, 2005.

- Colak A, Boran BO, Kutlay M, Demircan N: A modified technique of syringosubarachnoid shunting for the treatment of syringomyelia. Journal of Clinical Neuroscience 12(6):677–679, 2005.

- Bozbuga M, Celikoğlu E, Boran BO: Hydatid cyst of the craniocervical junction: case report. Neurosurgery 57(1):193, 2005.

- Boran BO, Akgün C, Bozbuga M: Calvarial remodeling for the treatment of scaphocephaly in a 4-month-old boy: a technical note. Turkish Neurosurgery 15(1):40-44, 2005.

- Boran BO, Barut N, Akgün C, Çelikoglu E, Bozbuga M: Indications for computed tomography in patients with mild head injuries. Turkish Journal of Trauma and Emergency Surgery 11(3):218–224, 2005.

- Colak A, Kutlay M, Boran BO, Demircan N: Identical twins presenting with hydrocephalus: one with triventricular, and the other tetraventricular hydrocephalus. Turkish Journal of Medical Sciences 34:187-189, 2004.

- Kurtkaya O, Elmacı I, Boran BO, Kılıç T, Sav A, Pamir MN: Dysembryoplastic neuroepithelial tumor of the midbrain tectum: a case report. Brain Tumor Pathology 19(2):97-100, 2002.

- Elmacı I, Kurtkaya O, Boran BO, Kılıç T, Pamir MN: Gliosarcoma associated with neurofibromatosis type 1: a case report. Tumori 87:60-63, 2001.

- Boran BO, Kılıç T, Peker S, Şengöz M, Erdıvanlı B, Pamir N: Gamma-knife radiosurgery in the management of brain metastases. Turkish Neurosurgery 11:9-17, 2001.

*OTHER INTERNATIONAL PEER-REVIEWED PUBLICATIONS:*

- Boran BO, Colak A: Oculomotor nerve palsy due to compression by posterior cerebral artery: case report. Erciyes Medical Journal 29(2):164-167, 2007.

- Bozbuga M, Boran BO, Bayindir C: Tuberculoma of the cavernous sinus. The Internet Journal of Neurosurgery 2(2), 2005.

*PUBLICATIONS IN TURKISH MEDICAL INDEX:*

- Boran BO: Osteoid osteoma of the lumbar spine: case report. Fırat Medical Journal 13(1):71-73, 2008.

- Boran BO: Growing skull fracture: a case operated on eight years later. Inönü University Faculty of Medicine Journal 13(3):185-187, 2006.

- Boran BO: A case report of foot drop following vertebroplasty. Fırat Medical Journal 11(3):185-186, 2006.

- Boran BO, Kızılay G, Bozbuga M: Ventriculoperitoneal shunt dysfunction. Turkish Neurosurgery 15(2):148-151, 2005.

- Boran BO, Dağcınar A, Özek MM: Endoscopic third ventriculostomy role in Dandy-Walker malformation. Kartal Education and Research Hospital Medical Journal 15(1):11-13, 2004.

- Boran BO, Dağcınar A, Özek MM: Repeat endoscopic third ventriculostomy. Kartal Education and Research Hospital Medical Journal 15(1):31-32, 2004.

- Boran BO, Dağcınar A, Özek MM: Endoscopic third ventriculostomy in patients under one year of age. Göztepe Medical Journal 19:83-86, 2004.

Education:

Teaching course on “Lymphatic mapping and sentinel node”

June 1998, MDA Cancer Center, Houston, Texas, USA

General Surgery

Feb. 1993 – Dec. 1996, Şişli Etfal Hospital, Istanbul, Turkey

General Surgery

May 1990 – Jan. 1993, Lille University Hospital, Lille, France 

M.D.

1983 – 1990, Cerrahpasa School of Medicine, Istanbul, Turkey

Experience

Attending General Surgeon, Jan. 1998 – present 

F.N. Metropolitan Hospital, Istanbul, Turkey

American Cancer Center, Breast Surgery

Attending General Surgeon, 1996 – present 

Medmar Diagnostic Center, Istanbul, Turkey

Diagnosis and monitoring with sophisticated techniques 

General Surgeon, 1996 – 1998

Guzelbahce Medical Center and Yeditepe Hospital, Istanbul, Turkey

Specializing in breast and thyroid surgery

Education and Expertise

Selcuk University Meram Faculty of Medicine - Medical Education

Dr.Abdurrahman Yurtaslan Anakara Oncology Training and Research Hospital Medical Oncology Specialization

Experience

Malatya State Hospital Internal Diseases Clinic

Ankara Oncology Hospital Medical Oncology Clinic

Erzurum Regional Training and Research Hospital Medical Oncology Clinic


AREAS OF INTEREST

Lung cancer

esophageal cancer

Gastric cancer

breast cancer

Gastrointestinal surgery

https://scholar.google.com.tr/citations?user=EDuylhoAAAAJ&hl=tr 

Present
Istanbul Florence Nightingale Hospital
Medical Oncology

2022-2024
Memorial Şişli Hospital
Medical Oncology Specialist

2021-2022
Institut Jules Bordet
Clinical Research Fellowship

2020-2022
Marmara University Pendik Training and Research Hospital
Medical Oncology Specialist

2019-2019
Institut Jules Bordet
Clinical Research Fellowship

2016-2019
Marmara University Faculty of Medicine, Department of Medical Oncology
Medical Oncology Fellowship

2014-2016
Golbasi Public Hospital
Internal Medicine Specialist

2013-2014
MD Anderson Cancer Center
Observership

2013
Bellvitge Hospital, Barcelona, Spain
Observership

2009 -2014
Hacettepe University Faculty of Medicine
Internal Medicine Residency

Education and Expertise

GATA Military Medical Faculty

GATA Haydarpaşa Training Hospital Neurosurgery Clinic (Specialization)

Beykent University Hospital and Health Institutions Management (Master's)

Experience

GATA Military Medical Faculty Trainee Doctor (6 months)

Samsun Sahara Medical School Comm. (3 months)

Naval Command War Squadron TCG Diligence Medical Officer (2 years)

Dz.K.K. Submarine Battery Factory Infirmary Doctor (3 months)

Naval Forces Command Infirmary Doctor (3 months)

GATA Haydarpaşa Training Hospital Chief Assistant (12 years)

Kasımpaşa Marine Hospital Neurosurgery Clinic Chief (5 years)

Bahçelievler Medical Park Hospital Neurosurgery Specialist (11 years)

Altınbaş University Faculty of Medicine Neurosurgery Lecturer. Member (4 years)

Altınbaş University Faculty of Medicine Head of Neurosurgery Department. (3 years)

Basic and Advanced Cardiac life support courses (BASIC)

Basic and Advanced Cardiac life support courses (ADVANCED)

GATA Military Medical Faculty. Microsurgery Training Course

Istanbul Vatan Hospital Hand surgery microsurgery course

Neuroanatomy course

Spine Surgery course

Professional Memberships

Turkish Neurosurgery Association

Spine Society of Europe

Turkish Spinal and Peripheral Nerve Surgery Group

Dr. Specialist Surgeon Rafail Ibayev is an expert in advanced gastrointestinal surgery. He specializes in both laparoscopic and open procedures for diseases of the stomach, intestine, and rectum. Dr. Ibayev is a recognized leader in obesity and metabolic surgery. He has extensive experience in sleeve gastrectomy, gastric bypass, and gastric balloon procedures. His patients achieve high success rates in weight management and metabolic health.

Dr. Ibayev is known for his work in minimally invasive surgery. He performs a wide range of laparoscopic operations that help patients recover faster and with less scarring. He is also skilled in endocrine and breast surgery, including advanced oncoplastic techniques for both benign and malignant conditions. As a gastrointestinal cancer specialist, he performs complex surgeries for liver, stomach, and colorectal tumors. He provides modern and effective oncological care.

Dr. Ibayev is highly trained in anti-reflux surgery, treatment of digestive disorders, endoscopic procedures, hernia repair, splenectomy, and proctologic surgeries. He is committed to patient-centered care and long-term health outcomes.

Education

Istanbul University Cerrahpaşa Faculty of Medicine, 2002
Istanbul Fatih Sultan Mehmet Training and Research Hospital, Internal Medicine, 2010
Istanbul University Oncology Institute (Çapa), Medical Oncology, 2015
Medipol University Faculty of Medicine, Phytotherapy Education, 2018
University of Health Sciences, Vocational School of Health, Molecular Oncology, PhD Program, PhD, 2023

Experience

University Hospital, Newark, New Jersey, USA, Observer (2003-2004)
Siirt State Hospital, Internal Medicine (2010-2011)
Siirt State Hospital, Medical Oncology (2015)
Bakırköy Dr. Sadi Konuk Training and Research Hospital, Medical Oncology (2015-2018)
Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Medical Oncology, (Professor Doctor) (2018-Present)
Forensic Medicine 3. Specialization Board, Medical Oncology, Full Member (2019-Present)
Liv Hospital, Ulus, Park-time, Medical Oncology (2020-2022)
Şişli Kolan International Hospital, Park-time, Medical Oncology (2022-2023)

Medical Intrests

• Gastrointestinal Sy Tumours (Esophagus - Stomach and Large Bowel Cancer)
• Hepatobiliary Sy Tumours (Liver-Biliary Tract and Pancreatic Cancer)
• Breast Cancer
• Lung Cancer
• Genitourinary Cancers
• Immunotherapies and Target Therapies
• Molecular Oncology
• Immunotherapies
• Target Treatments
•  

Awards

2010-YDUS (Subspecialty Examination) 14th place in Turkey
2014- Oncology Institute Days Best Poster Award
2015- Turkish Medical Oncology Society Board Exam Qualification
2015- ESMO (European Society for Medical Oncology) Board Exam Qualification

Education

Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine Residency, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Residency, 2015

Experience

MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center , USA 2022
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical Universityniversitesi Faculty of Medicine, Medical Oncology Clinic, 2015
Istanbul Göztepe Training and Research Hospital, Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital, Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022

Scientific Membership

Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)

Medical Intrests

• Breast Cancer
• Lung Cancer
• Colon Cancer
• Stomach Cancer
• Rectal Cancer
• Ovarian Cancer
• Liver Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Kidney Cancer
• Larynx Cancer - Cancer of the Larynx
• Thyroid Cancer
• Head and Neck Cancers
• Gynaecological Cancers
• Pancreatic Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Uterine Cancer
• Brain Cancers - Brain Tumours
• Soft Tissue Cancer - Sarcomas
• Prostate Cancer
• Bladder Cancer
• Bile Tract Cancer
• Testicular Cancer
• Cervical Cancer
• Mouth, Tongue, Lip Cancers
• Gastrointestinal Sy Cancers
• Bone Tumours
• Trachea and Bronchial Cancers
• Skin Cancers - Skin Cancers
• Skeletal Sy Tumours
• Gallbladder Cancer
• Mesothelioma

UNIVERSITY

Ankara University Faculty of Medicine 

UNIVERSITY WHERE HE TAKES EXPERTISE

Göztepe Training and Research Hospital General Surgery

CONGRESSES ATTENDED

National Endoscopic Laparoscopic Surgery Congress

World Congress on Controversies to Consensus in Diabetes, Obesity and Hypertension

Bariatric and Metabolic Surgery Congress

Cerrahpaşa Surgery Meetings Turkish Bariatric Surgery Association

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

• Title: A Study Evaluating the Efficacy and Safety of Adjuvant Atezolizumab or Placebo and Trastuzumab Emtansine for Participants With HER2-Positive Breast Cancer at High Risk of Recurrence Following Preoperative Therapy
• Role: Subinvestigator

2. PFİZER

• Title: A Study Of Lorlatinib Versus Crizotinib In First-Line Treatment Of Patients With ALK-Positive NSCLC
• Role: Subinvestigator

3. RECITE - AMGEN

• Title: Study of Romiplostim for Chemotherapy-induced Thrombocytopenia in Adult Subjects With Gastrointestinal, Pancreatic, or Colorectal Cancer
• Role: Subinvestigator

4. NAVIGATE - BAYER

• Title: A Study to Test the Effect of the Drug Larotrectinib in Adults and Children With NTRK-fusion Positive Solid Tumors
• Role: Subinvestigator

5. RUBY - Tesaro (PRA)

• Title: A Phase 3, Randomized, Double-blind, Multicenter Study of Dostarlimab (TSR-042) Plus Carboplatin-paclitaxel Versus Placebo Plus Carboplatin-paclitaxel in Patients With Recurrent or Primary Advanced Endometrial Cancer
• Role: Subinvestigator

6. ENGOT-ov43/GOG-3036 - MSD

• Title: Study of Chemotherapy With Pembrolizumab (MK-3475) Followed by Maintenance With Olaparib (MK-7339) for the First-Line Treatment of Women With BRCA Non-mutated Advanced Epithelial Ovarian Cancer (EOC) (MK-7339-001/KEYLYNK001/ENGOT-ov43/GOG-3036)
• Role: Subinvestigator

7. ASTRA ZENECA

• Title: To Study Clinical Effectiveness and Safety of Olaparib Monotherapy in Metastatic Breast Cancer Patients.
• Role: Subinvestigator

8. ROSY-O - ASTRA ZENECA

• Title: Roll Over StudY for Patients Who Have Completed a Previous Oncology Study With Olaparib
• Role: Subinvestigator
•  

INTERNATIONAL PUBLICATIONS

I. Published journal articles indexed by SCI, SSCI, and AHCI

Weekly Paclitaxel in Classic Kaposi Sarcoma

• Authors: Paksoy, N., Khanmammadov, N., Doğan, İ., Ferhatoğlu, F., Ahmed, M. A., Karaman, S., & Aydiner, A.
• Journal: Medicine, 102(5)

Carboplatin Desensitization in Ovarian Carcinoma

• Authors: Paksoy, N., Khanmammadov, N., Doğan, İ., Ferhatoğlu, F., Yildiz, A., Ak, N., & Aydiner, A.
• Journal: Medicine, 101(45), e31726

High-Dose Chemotherapy for Ewing’s Sarcoma

• Authors: Paksoy, N., Ferhatoglu, F., Dogan, İ., Khanmammadov, N., Celik, A. I., Gulbas, Z., & Başaran, M.
• Journal: Medicine, 101(49), e32213

Multidrug Refractory TFE3(+) Renal Cell Carcinoma

• Authors: Paksoy, Nail, et al.
• Journal: Journal of Oncology Pharmacy Practice, 2022, 28.1: 215-221

Crizotinib Efficacy in NSCLC with MET Alterations

• Authors: Gürbüz, M., Kiliçkap, S., Bilici, A., Karadurmuş, N., Sezer, A., Şendur, M. A. N., ... & Demirkazik, A.
• Journal: Medicine, 101(50), e32368

Clinicopathological Features in ALK Mutant NSCLC

• Authors: Dogan, I., Gurbuz, M., Paksoy, N., Ferhatoglu, F., Vatansever, S., Saip, P., ... & Aydiner, A.
• Journal: Medicine, 101(34)

PSMA-Based Tumor Burden in Prostate Cancer

• Authors: HAS SIMSEK, Duygu, et al.
• Journal: Annals of Nuclear Medicine, 2021, 35.6: 680-690

Atezolizumab in Metastatic Urothelial Carcinoma

• Authors: TURAL, Deniz, et al.
• Journal: European Urology Focus, 2021, 7.5: 1061-1066

Pulmonary Sarcomatoid Carcinoma

• Authors: FERHATOGLU, Ferhat, et al.
• Journal: Oncology Research and Treatment, 2021, 44.11: 590-601

Prognostic Factors in Atezolizumab-Treated Urothelial Carcinoma

• Authors: TURAL, Deniz, et al.
• Journal: International Journal of Clinical Oncology, 2021, 26.8: 1506-1513

Atezolizumab with Chemotherapy in Small Cell Lung Cancer

• Authors: GÜRBÜZ, Mustafa, et al.
• Journal: Journal of Cancer Research and Clinical Oncology, 2022, 1-9

FOLFIRINOX vs. Gemcitabine + Nab-Paclitaxel in Pancreatic Cancer

• Authors: AY, Seval, et al.
• Journal: Journal of Chemotherapy, 2022, 1-7

Trastuzumab Emtansine in Older HER2-Positive Breast Cancer Patients

• Authors: CIL, Ibrahim, et al.
• Journal: Tumori Journal, 2022, 108.1: 19-25

Real-Life Efficacy of Osimertinib in Advanced NSCLC

• Authors: HIZAL, Mutlu, et al.
• Journal: Journal of Cancer Research and Clinical Oncology, 2022, 148.6: 1501-1508

ALK-Positive Cells Percentage and Alectinib Efficacy

• Authors: Hizal, M., Bilgin, B., Paksoy, N., Atcı, M. M., Kahraman, S., Kılıçkap, S., ... & Şendur, M. A. N.
• Journal: Journal of Cancer Research and Clinical Oncology, 149(8), 4141-4148

Real-World Data on Alectinib in ALK-Positive NSCLC

• Authors: Hizal, M., Bilgin, B., Paksoy, N., Kılıçkap, S., Atcı, M. M., Kahraman, S., ... & Şendur, M. A. N.
• Journal: Future Oncology, 18(23), 2573-2582

Prognostic Factors in Metastatic RCC with T790M Mutation

• Authors: Dogan, I., Iribas, A., Paksoy, N., Vatansever, S., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

FLOT Regimen in Metastatic Gastric Cancer

• Authors: Tastekin, D., Paksoy, N., Dogan, I., Ferhatoglu, F., Khanmammadov, N., Bozbey, H. U., & Karabulut, S.
• Journal: Journal of Cancer Research and Therapeutics

Desensitization Protocol in Lenalidomide Hypersensitivity Reactions

• Authors: DEMIR, Semra, et al.
• Journal: Annals of Allergy, Asthma & Immunology, 2019, 123.4: 394-397

Factors Associated with Diagnostic Skin Test Positivity in PPI Hypersensitivity

• Authors: ÖZDEMIR, Seçil Kepil, et al.
• Journal: Allergy, 2019, 74.6: 1187-1190

Efficacy of Capecitabine and Temozolomide in Neuroendocrine Tumors

• Authors: Ünal, Ç., Azizy, A., Karabulut, S., Taştekin, D., Akyıldız, A., Yaşar, S., ... & Sağlam, S.
• Journal: The Oncologist, oyad257

Subsequent Treatments in Hormone-Positive Breast Cancer Progression

• Authors: Karacin, C., Oksuzoglu, B., Demirci, A., Keskinkılıç, M., Baytemür, N. K., Yılmaz, F., ... & Hacıbekiroğlu, İ.
• Journal: BMC cancer, 23(1), 192

Termination of Trastuzumab in HER2-Positive Metastatic Breast Cancer

• Authors: Dogan, I., Aydin, E., Khanmammadov, N., Paksoy, N., Saip, P., & Aydiner, A.
• Journal: Scientific Reports, 13(1), 8779

Long-term Outcomes and Predictors of Recurrence in Node-Negative Early Stage Breast Cancer

• Authors: Dogan, I., Aydin, E., Khanmammadov, N., Paksoy, N., Ferhatoğlu, F., Ak, N., ... & Aydiner, A.
• Journal: Journal of Cancer Research and Clinical Oncology, 1-9

Prognostic Factors Influencing PFS in HER2-Positive Metastatic Breast Cancer

• Authors: Doğan, İ., Paksoy, N., Ak, N., Vatansever, S., Saip, P., & Aydıner, A.
• Journal: European Journal of Breast Health, 19(2), 128

Treatment Efficacy of Ribociclib or Palbociclib plus Letrozole in Metastatic Breast Cancer

• Authors: Kahraman, S., Erul, E., Seyyar, M., Gumusay, O., Bayram, E., Demirel, B. C., ... & Nahit Sendur, M. A.
• Journal: Future Oncology, 19(10), 727-736

Efficacy and Safety of Sorafenib in Adult Metastatic Osteosarcoma Patients

• Authors: Dogan, I., Paksoy, N., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

Single-Agent Temozolomide as Salvage Therapy in Heavily Pretreated Metastatic Sarcoma Patients

• Authors: Dogan, I., Paksoy, N., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

Outcomes and Prognostic Factors in Metastatic Renal Cell Carcinoma with Brain Metastases

• Authors: Dogan, I., Iribas, A., Paksoy, N., Vatansever, S., & Basaran, M.
• Journal: Journal of Cancer Research and Therapeutics

FLOT Regimen in First-Line Treatment of Metastatic Gastric Cancer

• Authors: Tastekin, D., Paksoy, N., Dogan, I., Ferhatoglu, F., Khanmammadov, N., Bozbey, H. U., & Karabulut, S.
• Journal: Journal of Cancer Research and Therapeutics

Prognostic Factors of Perioperative FLOT Regimen in Operable Gastric Cancer

• Authors: Erol, C., Sakin, A., Basoglu, T., Ozden, E., Cabuk, D., Dogan, M., ... & Sendur, M. A. N.
• Journal: [Not specified]

Efficacy and Outcomes of Syic Chemotherapy in Posttransplant Kaposi Sarcoma

• Authors: Khanmammadov, N., Paksoy, N., Doğan, I., Ferhatoğlu, F., Saip, P., & Aydiner, A.
• Journal: Medicine, 102(39), e35383

Comparison of Second-Line Treatments in Metastatic Renal Cell Carcinoma

• Authors: Pehlivan, M., Paksoy, N., Aydin, E., Basaran, M., & Ekenel, M.
• Journal: Medicine, 102(41), e35245

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)

Syic 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

• Authors: Dogan, I., Paksoy, N., Ak, N., Vatansever, S., Saip, P., & Aydiner, A. (2022)

Efficacy of regorafenib and 5-fluorouracil-based rechallenge treatment in the third-line treatment of metastatic colorectal cancer: A Turkish oncology group study

• Authors: Şenocak Taşçi, E., Oyan, B., Sonmez, O., Mutlu, A. U., Atcı, M. M., Oner, I., ... & Gulmez, A. (2022)

Long-term outcomes and predictors of recurrence in patients with early-stage node-negative breast cancer

• Authors: Dogan, I., Aydin, E., Paksoy, N., Ferhatoglu, F., Ak, N., Ibis, K., ... & Aydiner, A. (2021)

Efficacy of temozolomide in pretreated patients with metastatic sarcoma

• Authors: Paksoy, N., Dogan, I., Ekenel, M., & Basaran, M. (2021)

Efficacy of sorafenib in symptomatic patients with pretreated progressive desmoid tumors

• Authors: Ferhatoglu, F., Paksoy, N., Dogan, I., Ak, N., Pehlivan, M., Ekenel, M., & Basaran, M. (2021)

Efficacy of sorafenib in heavily pretreated adult patients with metastatic osteosarcoma

• Authors: Paksoy, N., Dogan, I., Ekenel, M., & Basaran, M. (2021)

Outcomes and prognostic factors in metastatic renal cell carcinoma patients with brain metastases

• Authors: Dogan, İ., Iribas, A., Paksoy, N., Ekenel, M., Vatansever, S., & Basaran, M. (2021)

Association of response to first-line chemotherapy with the efficacy of atezolizumab in patients with metastatic urothelial carcinoma

• Authors: Tural, D., Olmez, O. F., Sümbül, A. T., Artac, M., Ozhan, N., Akar, E., ... & Erman, M. (2021)

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

• Authors: Esin, E., Ahmed, M. A., Yıldırım, H. Ç., Mandel, N. M., Erdemoglu, E., Sari, M., ... & Paydas, S. (2023)

Atezolizumab in patients with metastatic urothelial carcinoma who have progressed after first-line chemotherapy: Results of real-life experiences

• Authors: Tural, D., Ölmez, Ö. F., Sümbül, A. T., Artaç, M., Özhan, N., Akar, E., ... & Kılıçkap, S. (2021)

Dr. Hilmi Apak is a respected pediatric hematology-oncology specialist with more than 21 years of experience. He is trained in pediatric oncology. Dr. Apak has led advanced treatments, including , leukemia chemotherapy, and CAR T-therapy.

He has published 75 international medical articles, showing his strong contribution to pediatric oncology research. Dr. Apak has worked as assistant editor for the Turkish Pediatrics Archives Periodical. He has also held important academic and leadership positions, such as Head of Pediatric Hematology-Oncology at Istanbul University-Cerrahpaşa.

Education

• (2004 – 2011), Faculty of Medicine/ Inonu University/ Malatya, Turkiye
• (2011 – 2015), Department of Radiology/ Bagcilar Training and Research Hospital/ Istanbul, Turkiye

Career

• (2016 – 2020), Diagnostic and Interventional Radiologist/ Mus State Hospital/ Mus,Turkiye
• (2020 – 2022), Assistant Professor of Diagnostic and Interventional Radiology/ Sakarya University Training and Research Hospital/ Sakarya, Turkiye
• (2023 – 2024), Associate Professor of Diagnostic and Interventional Radiology /Sakarya University Training and Research Hospital/ Sakarya, Turkiye
• (2024 - Present), Associate Professor of Diagnostic and Interventional Radiology /Medipol University Hospital/ Istanbul, Turkiye

EDUCATION:

2015

Uludag University, Ophthalmology

2008

Eskisehir Osmangazi University, Faculty of Medicine

2001

Kırıkkale Science High School, Numerical

EXPERIENCE:

2019 Gazi University Faculty of Medicine Ophthalmology (Vitreo-Retinal Surgery and Medical Retina Fellowship)

2016 SBÜ Zekai Tahir Burak EAH (Retinopathy of Prematurity Fellowship)/

2015 - 2023 Kocaeli Derince Training and Research Hospital

2023 - Medipol University Pendik Hospital

EDUCATION:

• Turhan and Mediha Tansel Primary School (1979–1984)
• Kültür College (1984–1988)
• Semiha Şakir High School (1988–1991)
• Marmara University Faculty of Medicine (1991–1997)
• Marmara University Faculty of Medicine, Neurosurgery Department, Specialist Training (1997–2002)
• Title of Associate Professor in Neurosurgery (May 31, 2021)

ADDITIONAL TRAINING:

• "Visiting Physician," University of Southern California, Department of Neurosurgery (1998)
• "Microsurgery Training," GATA (Gülhane Military Medical Academy), Ankara Education and Research Hospital (2003)

PROFESSIONAL EXPERIENCE:

• Gülhane Military Medical Academy Haydarpaşa Training and Research Hospital (2002–2003)
• Dr. Lütfi Kırdar Kartal Training and Research Hospital (2003–2005)
• Private Avicenna Ataşehir Hospital (2005–2012)
• Private 29 Mayıs Hospital (2012–2013)
• Maltepe State Hospital (2013–2018)
• Kartal Dr. Lütfi Kırdar City Hospital (2018–2020)
• Private Academic Hospital (2020–2022)
• Hisar Intercontinental Hospital (2022–2024)
• Private Medipol Acıbadem Regional Hospital (2024–Present)

ADMINISTRATIVE AND ACADEMIC ROLES:

• Board Member, Neurosurgical Society (2006–2009)
• Head of the Emergency Department, Maltepe State Hospital (2014–2016)
• Deputy Chief Physician, Private Academic Hospital (2020–2021)
• Advisory Board Member, Beykent University Faculty of Medicine (2018–2024)
• Faculty Member, Galata University Faculty of Health Sciences (2022–2024)
• Director, Continuous Education Center, Galata University (2022–2024)