Testicular Biopsy Doctors Abroad — Page 3

Dr. Abdullmutalip Simsek is a robotic and reconstructive urology specialist at Başakşehir Çam and Sakura Hospital. He is a member of the American Urological Association. He earned his PhD in reconstructive urology from the University of Sheffield, England. Dr. Simsek also holds membership in the European Association of Urology.

• Two-time recipient of the Alpay KELAMI award for Men's Sexual Health.
• Performs robotic prostatectomy and complex bladder removal with reconstruction.
• Specializes in penile curvature correction and artificial urinary sphincter implantation.
• Member of the American Society of Genitourinary Reconstructive Surgery.

Dr. Yusuf Acikgoz is a medical oncologist at Lokman Hekim University Ankara Hospital. He specializes in treating complex cancers, including lung, breast, and liver malignancies. He completed a fellowship at Ohio State University in the United States. Dr. Acikgoz manages treatments like chemotherapy, radioembolization, and immunotherapy.

• Member of the American Society of Clinical Oncology (ASCO).
• Assistant Investigator for Phase III clinical trials, including the CheckMate-649 study.
• Certified in Good Clinical Practice and Human Subjects Protection at Ohio State University.
• Performs diagnostic procedures like biopsy, gastroscopy, and tumor marker testing.

Dr. Oguzhan Parlak is a urological surgeon at Valued Med Hub Hospitals in Istanbul. He specializes in andrology, endourology, and uro-oncology. Dr. Parlak performs robotic da Vinci prostatectomies and kidney-sparing surgeries. He treats both adults and children for complex urological conditions.

• Performs flexible ureterorenoscopy and holmium laser enucleation of the prostate.
• Treats conditions ranging from kidney cysts to prostatic hyperplasia.
• Expertise in hydroselectomy, varicocelectomy, and urethral reconstruction.
• Works at a clinic holding an International Health Tourism Authorization Certificate.

Dr. Cevper Ersoz is a urologist at Medipol Acibadem District Hospital in Istanbul. He specializes in robotic and laparoscopic surgery for urological cancers. Dr. Ersoz is a Fellow of the European Board of Urology (FEBU). He completed an observership in urologic surgery at the University of Michigan, USA.

• Author of over 130 national and international peer-reviewed scientific publications.
• Treats benign prostate hyperplasia using HoLEP, TuLEP, and Rezum techniques.
• Performs minimally invasive procedures for stone diseases, including PCNL and URS.
• Practices at JCI-accredited Medipol Acibadem, which uses the da Vinci robotic system.

Dr. Ozgur Haki Yuksel is a urology specialist at VM Medical Park Pendik Hospital. He holds FEBU Board Certification, recognized across Europe for excellence in urology. Dr. Yuksel completed observership training at the University of Michigan in the United States. He teaches as a faculty member at Bahcesehir University.

• Specializes in robotic and laparoscopic surgery for urological oncology.
• Treats complex conditions like stone diseases, male infertility, and urinary incontinence.
• Authored over 45 national and international medical publications.
• Member of the European Urology Association and the Turkish Urology Association.

Education & Expertise

• 1998 to 2004 – Istanbul University, Istanbul Faculty of Medicine
• 2005 to 2009 – Düzce University, Internal Medicine Specialization
• 2009 to 2010 – Beytüşşebap State Hospital, Compulsory Internal Medicine Service
• 2010 to 2013 – Bülent Ecevit University, Medical Oncology Specialization
• 2013 to 2015 – Recep Tayyip Erdoğan University, Medical Oncology Compulsory Service
• 2015 to Present – Associate Professor, Recep Tayyip Erdoğan University
• 2015 to 2021 – Lecturer, Medical Oncology, Sakarya University Faculty of Medicine
• 2020 to Present – Professor, Sakarya University Faculty of Medicine
• 2020 to Present – Ph.D. Student, Inorganic Chemistry, Sakarya University

Experience

• 2008 – Cleveland Clinic, Rheumatology & Gastroenterology Rotation
• 2016 to 2017 – Northeastern University, The Center for Pharmaceutical Biotechnology and Nanomedicine, Boston, U.S.

Professional Memberships

• TTOD (Turkish Society of Medical Oncology)
• ASCO (American Society of Clinical Oncology)
• ESMO (European Society for Medical Oncology)

Education and Specialization

• 2006: Kocaeli University Faculty of Medicine
• 2014: Akdeniz University Faculty of Medicine, Internal Medicine
• 2018: Akdeniz University Faculty of Medicine, Medical Oncology

Experience

• 2006 - 2008: Konya Derebucak District Hospital
• 2009 - 2015: Akdeniz University Hospital
• 2015: Antalya Kaş State Hospital
• 2015 - 2016: İnönü University Faculty of Medicine
• 2016 - 2021: Akdeniz University Hospital
• 2021 - 2023: Antalya Training and Research Hospital

Dr. Ercan Ozden is a specialist in internal medicine and medical oncology. He earned his medical degree and completed his residency at Istanbul University, Cerrahpaşa Faculty of Medicine. He later received a subspecialty in medical oncology at Kocaeli University Faculty of Medicine from 2016 to 2020.

Dr. Ozden has worked in medical oncology at Şırnak State Hospital. He has also served as an internal medicine specialist at Bağcılar Private Safa Hospital and Küçükçekmece Batı Bahat Hospital. He has extensive clinical experience in both internal medicine and oncology.

Assoc. Prof. Atakan Topçu, M.D., is a medical oncologist at Medipol University and Medipol Acıbadem Regional Hospital. He treats solid tumors, including lung, breast, colorectal, gastric, and neuroendocrine cancers. His work also covers targeted therapies, immunotherapy, geriatric oncology, and cancer-related malnutrition, cachexia, and sarcopenia.

He has authored more than 50 peer-reviewed papers. Recent work includes a 2024 Frontiers in Medicine study on geriatric syndromes and a 2023 Future Oncology paper on sarcopenia and anxiety in lung cancer. He has also published on the CONUT score in breast cancer and on malnutrition in HER2-negative metastatic gastric cancer.

Dr. Topçu serves on the Editorial Board of BMC Cancer. He is a member of the Turkish Society of Medical Oncology, ESMO, and the Turkish Geriatrics Society. Education and training: M.D., Uludağ University; residency in Internal Medicine, Marmara University; fellowship in Medical Oncology, Bezmialem Vakıf University.

Dr. Irfan Cicin is a Professor of Medical Oncology at the Trakya University Faculty of Medicine (2015–present). He has over 20 years of medical oncology experience and has held academic roles since 2010.

Education: MD, Istanbul University – Cerrahpaşa (1991–1997). Residency in Internal Medicine, Trakya University (1997–2002). Fellowship in Medical Oncology, Trakya University (2002–2004).

Practice: Medical Oncologist, Trakya University (2005–2008). Medical Oncologist, Elazığ Training and Research Hospital (2008–2010). Associate Professor of Medical Oncology, Trakya University (2010–2015). He previously served as a physician in the Turkish Air Force at Etimesgut Military Hospital (2004–2005).

Dr. Muhammed Mustafa Atci is an Associate Professor of Medical Oncology at İstinye University, Liv Hospital Topkapı (2025–present). He previously served as Associate Professor and Education Coordinator at Prof. Dr. Cemil Taşcıoğlu City Hospital (2023–2025). He was also a Medical Oncologist there (2018–2021).

He has been a member of ASCO and the Turkish Society of Medical Oncology since 2018. He is the author or co-author of 19 peer-reviewed international papers on colon, breast, gastric, pancreatic, lung, thyroid, sarcoma, and colorectal cancers.

Notable works include a multicentre study on stage IIB colon cancer survival (Journal of Chemotherapy). He also studied the De Ritis ratio for lung metastasis in testicular cancer (Current Urology). His prognostic studies used PET/CT, MSI, lymph node ratio, and metabolic tumor volume.