Assoc. Prof. Metehan Gümüş, M.D - Ankara, Istanbul, Turkey

About Assoc. Prof. Metehan Gümüş, M.D.

Assoc. Prof. Dr. Metehan Gümüş is a highly esteemed, board-certified General Surgeon currently practicing at Private Pendik Bolge Hospital in Istanbul, Turkey. With a distinguished medical career spanning over 25 years, Dr. Gümüş has established himself as a leading authority in both general and highly specialized surgical disciplines. His comprehensive practice encompasses advanced laparoscopic surgery, obesity and metabolic surgery, revision bariatric procedures, and comprehensive breast cancer surgery. Combining decades of hands-on clinical experience with profound academic expertise, Dr. Gümüş is dedicated to providing world-class surgical care to both local and international patients traveling to Istanbul for medical treatment.

Throughout his extensive career, Dr. Gümüş has served in prominent academic and clinical roles across Turkey and the United Kingdom. His dedication to advancing the field of general surgery is evident in his massive portfolio of peer-reviewed publications, national textbook chapters, and presentations at international scientific conferences. As a member of the Turkish Surgical Association, the Turkish Breast Diseases Federation, and the Turkish Medical Association, he continuously adheres to the highest standards of international healthcare. Patients seeking transformative weight loss surgery or specialized oncological care routinely turn to Dr. Gümüş for his precision, evidence-based methodologies, and patient-centric approach.

Medical Expertise & Specializations

Assoc. Prof. Dr. Metehan Gümüş possesses a deeply rooted, multifaceted expertise that covers some of the most complex areas of modern surgery. His practice is anchored in utilizing state-of-the-art medical technologies to deliver safe, effective, and minimally invasive treatments. Recognized as a top-tier specialist for international patients coming to Turkey, his clinical focus is strategically divided into several high-demand areas of general surgery.

In the realm of Bariatric and Metabolic Surgery, Dr. Gümüş is a premier specialist providing life-changing interventions for patients battling severe obesity and related metabolic disorders. His expertise includes primary obesity surgeries as well as intricate Revision Obesity Surgery. Revision surgery requires an exceptionally high level of surgical skill to correct or enhance previous weight-loss procedures that have failed or caused complications. By leveraging advanced laparoscopic techniques, Dr. Gümüş ensures that his patients experience minimally invasive operations, leading to shorter hospital stays, reduced postoperative pain, and faster recoveries.

Beyond weight loss, Dr. Gümüş is an elite specialist in Breast Surgery and Cancer Surgery. He spent dedicated time refining his skills at the internationally recognized Peggy Wood Breast Centre in Maidstone, Kent, England, and the Istanbul University Cerrahpasa Medical Faculty Breast Clinic. His oncological expertise encompasses the surgical management of invasive ductal and lobular carcinomas, male breast cancer, and complex diagnostic challenges like atypical ductal hyperplasia and microcalcifications. He is highly proficient in performing breast conservation surgeries, mastectomies, and sentinel lymph node biopsies. Furthermore, he is an expert in diagnosing and treating benign yet challenging breast conditions, such as idiopathic granulomatous mastitis.

Dr. Gümüş's clinical proficiency is heavily backed by his rigorous academic research. He has published extensively on topics such as the predictive factors for invasive cancer following ductal carcinoma in situ (DCIS) diagnoses, the management of acute pancreatitis, surgical interventions for gastrointestinal trauma, and the complex treatment of rare hernias and hepatic conditions. This rich academic background ensures that his surgical techniques are continuously informed by the latest scientific data and global best practices.

Conditions Treated

• Morbid Obesity & Metabolic Syndrome: Comprehensive management of severe weight issues and related conditions like type 2 diabetes and hypertension.
• Breast Cancer (Male and Female): Surgical oncology for malignant breast tumors, including invasive cribriform, lobular, and ductal carcinomas.
• Benign Breast Diseases: Expert treatment for idiopathic granulomatous mastitis, fibroadenomas, galactoceles, and giant intraductal papillomas.
• Gastrointestinal Pathologies: Treatment of acute pancreatitis, gallstone ileus, obstructive jaundice, and small bowel obstructions.
• Hernias: Management of complex abdominal wall hernias, spigelian hernias, and inguinofemoral hernias.
• Trauma & Emergency Surgical Conditions: Extensive experience in managing splenic injuries, diaphragmatic ruptures, and penetrating abdominal traumas.

Procedures Performed

• Primary Obesity Surgery: Minimally invasive bariatric operations to facilitate sustainable weight loss.
• Revision Bariatric Surgery: Corrective procedures for patients who require adjustments to previous weight loss surgeries.
• Advanced Laparoscopic Surgery: Minimally invasive abdominal surgeries focusing on reduced recovery times.
• Breast Conservation Surgery & Mastectomy: Tailored oncological resections prioritizing both survival and cosmetic outcomes.
• Sentinel Lymph Node Biopsy: Precision diagnostic surgery using intradermal patent blue dye and imaging to stage breast cancer.
• Stereotactic Vacuum-Assisted Breast Biopsy: Advanced diagnostic procedures for microcalcifications and abnormal breast imaging findings.
• Gastrointestinal & Hepato-Pancreato-Biliary Surgery: Surgical interventions for the stomach, intestines, liver, and pancreas.

Education and Training

Assoc. Prof. Dr. Metehan Gümüş’s foundation in medicine and surgery is built upon years of rigorous academic and clinical training at prestigious institutions. His journey from a medical student to an Associate Professor demonstrates a relentless commitment to surgical excellence, research, and patient care.

• 1990 - 1997: Medical Degree (M.D.), Faculty of Medicine, Cukurova University, Turkey.
• 1997 - 2002: General Surgery Residency & Research Assistant, Faculty of Medicine, Ataturk University, Erzurum, Turkey.
• 2010: Specialized Breast Clinic Training, Cerrahpasa Medical Faculty, Istanbul University, Istanbul, Turkey.
• 2011: International Breast Surgery Fellowship/Training, Peggy Wood Breast Centre, Maidstone, Kent, England.

Professional Experience

Over the past two decades, Dr. Gümüş has held pivotal roles in both military and civilian healthcare sectors, alongside prestigious academic appointments. His career progression highlights his leadership and clinical reliability across diverse medical environments.

• 1997 - 2002: Research Assistant, Department of General Surgery, Ataturk University Faculty of Medicine.
• 2003 - 2004: General Surgery Clinic Op.Dr., Ministry of Health Adıyaman State Hospital.
• 2004 - 2005: Medical Second Lieutenant, Ardahan Military Hospital.
• 2005 - 2008: Op.Dr., Elazig Çağrı Medical Center.
• 2009 - 2012: Assoc. Prof. Dr., Department of General Surgery, Dicle University Faculty of Medicine.
• 2012 - 2016: Assoc. Prof. Dr., Department of General Surgery, Dicle University Faculty of Medicine.
• 2017 - 2018: Assoc. Prof. Dr., Batman Zilan Hospital.
• 2018 - 2019: Assoc. Prof. Dr., Malatya Sevgi Hospital.
• 2019 - 2021: Assoc. Prof. Dr., VM Medicalpark Kocaeli Hospital.
• 2021 - 2023: Assoc. Prof. Dr., REYAP Istanbul Hospital.
• 2023 - 2024: Assoc. Prof. Dr., Rami Hospital.
• 2024 - Present: Assoc. Prof. Dr., Private Pendik Bolge Hospital, Istanbul, Turkey.

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