Page 3 - Best Online consultation with Surgeon doctors: TOP 191 doctors

Dr. Ali Karahan, born in 1970 in Kahramanmaraş, graduated from Trakya University

Faculty of Medicine in 1993. He began his career as an emergency doctor and

completed his specialization in Anesthesiology and Reanimation at Okmeydanı

Training and Research Hospital in 2004. Following this, he served as an

anesthesiologist in various public and private hospitals.

Since 2009, Dr. Karahan has specialized in hair transplantation in Istanbul, managing

hair transplant clinics at prestigious hospitals such as Memorial and Kadıköy Şifa. His

expertise in hair transplantation has led him to participate in numerous national and

international conferences. Since 2019, he has continued to provide services in his own

clinic, known for his skill in achieving natural and successful results.

With over 25 years of experience and a strong dedication to his profession, Dr.

Karahan is recognized as one of the leading figures in the field of hair transplantation

in Turkey.

Dr. Pakize Eker Balcıoğlu is a board-certified general surgeon. She graduated from Istanbul University Cerrahpaşa School of Medicine (English program) and completed her residency at Marmara University. She has published many articles in local and international journals. She has also worked as a columnist for two medical publications.

Dr. Balcıoğlu specializes in diagnosing and treating breast pain. She is experienced in advanced hemorrhoid therapies, including laser and Longo surgery. Her expertise also includes anal fissure management, pilonidal sinus day surgery, and lipoma excision. She has worked at Marmara University Hospital, Atlas Hospital, Maltepe Ersoy Hospital, and Sultanbeyli Ersoy Hospital. She has made important contributions to surgical practice in her field.

Dr. Vafi Atalay is an experienced oncological and general surgeon with 17 years in the field. He specializes in pancreatic, colon, rectal, and liver surgeries. He also performs advanced endoscopic procedures. Dr. Atalay has published 31 articles in national and international journals, making valuable contributions to medical literature.

He received the first prize at the 20th Congress Research Paper Competition. He also won the Best Research Award at the 5th Surgeon Research Congress. Dr. Atalay is a member of TSS, the Palestinian Medical Association, and IOA. His active involvement in these organizations shows his dedication to professional growth and surgical excellence.

Prof. Dr. Gürsel Saka is an orthopedic and traumatology specialist who completed medical education from Karadeniz Technical University and a specialty education from the University of Health Sciences, Dr. Lütfi Kırdar Kartal Training and Research Hospital. He has carried out successful surgeries in the fields of spine surgery, trauma surgery, arthroplasty, and pelvis-acetabulum surgery. He is currently serving patients in Hisar Hospital Intercontinental Orthopedics and Traumatology Department.

Dr. Sema Karakas specializes in gynecologic oncology surgery. She also performs minimally invasive gynecologic surgery, including laparoscopy and V-NOTES (scarless) techniques.

She offers V-NOTES hysterectomy and cyst removal. She performs surgery for uterine cancer and tubal ligation. She provides a full range of laparoscopic gynecologic procedures. She treats urinary incontinence with medical, laser, or surgical options and pelvic floor physiotherapy. She manages HPV with diagnosis, treatment, and follow-up. She performs colposcopy, LEEP, and conization. She provides endometriosis care and surgery. She treats polyps and uterine septum with hysteroscopy. She offers perimenopausal and menopausal care and bioidentical hormone therapy.

Dr. Javier Centeno obtained his Doctorate in Medicine and Surgery from the University of Barcelona in 1988 and completed his specialization in General and Gastrointestinal Surgery at the Hospital de Mutua de Terrassa between 1989 and 1993.

Afterwards, Dr. Centeno completed additional training in the colorectal surgery department at the Mayo Clinic de Rochester, Minnesota (USA). Since 1993, Dr. Centeno has been a leading specialist in the surgery department at the Teknon Medical Center.

Clinical and scientific work:

Co-organizer of the Seminar on Endorectal Ultrasound Diagnostics. Advances in Colon, Rectum and Anus Surgery. Barcelona. March 1995.

"Visiting Surgeon" in the Department of Colorectal Surgery, Cleveland Clinic Florida, Fort Lauderdale, Florida, USA, February 1996.

Advanced Course in Laparoscopic Colorectal Surgery. ICARD. EITS, Strasbourg. November 2002.

Postgraduate student, associate professor of the Department of Urogynecoproctological Physiotherapy.

School of Nursing and Physiotherapy, University of Blanquerna. Ramon Llull University. Barcelona. 2003 2015

Accreditation by ERAS-Society (Sweden) in 2016.

Member of scientific communities:

Asociación Española de Cirujanos

· Societat Catalana de Cirurgia

· American Society of Colon and Rectal Surgeons y de la University of Minnesota Alumni Association.

Ayhan Erdemir, MD, is a general surgeon at Anadolu Medical Center since 2006 and one of the best pancreatic cancer specialists. He completed his undergraduate education at Fırat University Medical Faculty, and has taken part in numerous courses such as Cytoreductive Surgery & Hipec Course, Surgical Oncology Society, and Intuitive Surgical's da Vinci Surgical System Online Training Module.

Dr. Domenico Sabia is an experienced surgeon. He specializes in peritoneal oncology, melanoma and sarcoma surgery, laparoscopic and robotic surgery, and hepato-biliary and pancreatic surgery. He practices at Centro Médico Teknon and Consorci Sanitari Integral in Spain. Dr. Sabia has over 15 years of experience in treating advanced abdominal and pelvic cancers.

Dr. Sabia often speaks at national and international congresses. He has written and co-written many scientific publications. He also works as an investigator in major clinical trials in oncological surgery. He is accredited by organizations such as the Asociación Española de Cirujanos and The Peritoneal Surface Oncology Group International. Dr. Sabia is also a member of several respected surgical societies.

Assoc.Prof. Altan Kır is a Thoracic Surgery and Robotic Surgery specialist, as well as one of the top lung cancer doctors. He has been a thoracic surgeon at Anadolu Medical Center since 2007 and is a member of the Turkish Thoracic Surgery Society, the European Society of Thoracic Surgeons, and the Thorax Society.

EDUCATION AND QUALIFICATIONS

• Doctor of Medicine and Surgery , University of Barcelona, 1981.
• Specialization in general surgery (1987) and thoracic surgery (2001).
• Doctorate in Medicine and Surgery , University of Barcelona, 1995.
• Certification of the European College of Thoracic and Cardiovascular Surgery (FETCS), 2001.
• Associate Professor of Surgery at the University of Barcelona since 1995 and representative of the Associated Hospitals.
• Professor of the European School of Thoracic Surgery (ESTS-EACTS).
• Visiting Professor at Massachusetts General Hospital, Harvard Medical School, Boston, USA (2016).

PROFESSIONAL EXPERIENCE

• General Surgery : Training at the Red Cross Hospital in Barcelona (1982-1986).
• Thoracic Surgery : Mayo Clinic, Rochester, Minnesota, and Massachusetts General Hospital, New England Deaconess Hospital (Harvard Medical School), Boston, USA (1986-1987).
• Experience at the Red Cross Hospital and Sagrat Cor de Barcelona (1988-1989).
• Career : Consultant physician (1990-1993), clinical director (1994-1999) and director of the thoracic surgery service at a private medical centre in Barcelona (2000 to date).
• Head of the Thoracic Surgery Service at the Hospital Clínic de Barcelona (March 2010 to present).

SCIENTIFIC PUBLICATIONS AND ACADEMIC ACHIEVEMENTS

• 505 reports at national and international conferences.
• 145 scientific articles in national and international journals.
• Member of the editorial board of the journals Lung Cancer and Archivos de Bronconeumología .
• Reviewer for the European Journal of Thoracic and Cardiovascular Surgery , Journal of Thoracic Oncology , Annals of Oncology and Archivos de Bronconeumología .

PARTICIPATION IN SCIENTIFIC SOCIETIES

• He has held key positions in the European Society of Thoracic Surgeons (ESTS): International Communications Director (2010-2011), Past-President (2009-2010), President (2008-2009), President Elect (2007-2008), Regent (2005-2007), Board Member (1995-1997) and Founding Member (1993).
• Member of the American Society of Thoracic Surgeons (STS), member of the International Relations Group (2010-2013).
• Member of the American Association of Thoracic Surgeons (AATS), the European Association for Cardiothoracic Surgery (EACTS), the European Respiratory Society (ERS), the International Association for the Study of Lung Cancer (IASLC), and nine other national and international scientific societies.

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.

Dr. Lana Bijelic is a board-certified oncological surgeon. She specializes in peritoneal carcinomatosis. Since 2019, she has been part of the Carcinomatosis Surgical Group at the Teknon Oncology Institute. She trained under Prof. Paul Sugarbaker at Washington Hospital Center and brings strong expertise to her team.

Dr. Bijelic has worked as Research Director at Inova Fairfax Hospital. She has also been an associate professor at Virginia Commonwealth University and Georgetown University. She is an active member of the American College of Surgeons and the Society of Surgical Oncology.

Throughout her career, Dr. Bijelic has received many academic awards, including several Surgical Excellence Awards and top prizes in research. She is known for her leadership and important contributions to surgical oncology.

Personal Information:

• Born in 1967.
• Completed primary education in Istanbul.
• Graduated from Pertevniyal High School in 1984.

Education & Training:

• Enrolled in Marmara University Faculty of Medicine in 1984, completing medical education in English and graduating in 1991.
• Started General Surgery residency at Istanbul University Faculty of Medicine in 1991.
• Became a General Surgery Specialist in 1996 with a thesis on "The Effects of Inhibiting the Nitric Oxide Pathway in Radiation Enteritis."
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Professional Experience:

• 1996: Joined Şişli Florence Nightingale Hospital as a General Surgery staff doctor.
• 2002-2004: Served as a Lecturer and Acting Head of the General Surgery Department at Kadir Has University Faculty of Medicine.
• 2013: Transferred to Istanbul Florence Nightingale Hospital as a General Surgery specialist, where he continues to work.
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Medical Expertise & Achievements:

• Performed the first general surgery operation in Turkey using the Da Vinci robotic system.
• Specializes in advanced laparoscopic and robotic surgery and continues to perform such procedures.

Positions Held:

• 1991-1996: Research Assistant – Istanbul University, Faculty of Medicine, Department of General Surgery.
• 1996-2012: General Surgery Specialist – Şişli Florence Nightingale Hospital.
• 2002-2004: Lecturer – Kadir Has University, Faculty of Medicine, Department of General Surgery.
• 2003-2004: Acting Head – Kadir Has University, Faculty of Medicine, Department of General Surgery.
• 2013-Present: General Surgery Specialist – Istanbul Florence Nightingale Hospital.

Interests 
Robotic surgery,
Advanced laparoscopic surgery(Colorectal and GERD Surgery included),
Laparoscopic hernia surgery,
Breast and thyroid surgery,
Gastrointestinal surgery,
Anal region diseases,
Hepatobiliary surgery

Memberships: 

Turkish Medical Association

Turkish Surgical Society

American Society of Colon and Rectal Surgery

Dr. Robert Schmidhammer is a leading specialist in peripheral nerve surgery, brachial plexus injuries, reconstructive surgery, and hand surgery. He holds a doctoral degree with a focus in human genetics. He is accredited by the Austrian and German Societies for Hand Surgery and the American Society for Peripheral Nerve Damage.

Dr. Schmidhammer has led research in nerve regeneration. His work explores how movement and bioabsorbable materials affect nerve repair. He has made important contributions to neurolysis, nerve transplantation, muscle transfer, and nerve tumor treatment. He is known for achieving high success rates in complex nerve injury cases.

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

Dr. Harald Rosen is a leading abdominal surgeon. He specializes in endocrine, gastrointestinal, liver, colon, and bariatric surgeries. His expertise includes complex procedures such as sleeve gastrectomy and gastric anastomosis. Dr. Rosen is known for his research on improving the quality of life for rectal cancer patients after surgery. He also has a strong academic background in surgical oncology, with a focus on gastroenterology and breast cancer.

Dr. Rosen is President of the European Society of Surgery. He is also a Professor of Surgery at Vienna Medical School. He is accredited by the European Council for Surgical Qualifications and the Austrian Medical Council. Dr. Rosen has performed over 5,000 advanced surgeries with excellent results. He has published widely and is often invited as a visiting professor around the world.

Prof. Dr. Alaettin Çelik graduated from Adapazarı İlyaslar Primary School in 1960, from Haydarpaşa High School in 1966, and from Istanbul University Faculty of Medicine in 1972. In the same year, he became an assistant in the 2nd Surgery Department of the Faculty of Medicine. Between November 1975 and February 1976, he completed his military service for 4 months at the Gelibolu Military Hospital as a Reserve Officer. In 1977, he became a General Surgery Specialist in the Department of Surgery.

To establish the pediatric surgery department at the faculty and to specialize further, he worked as a registrar at the University of London's "The Hospital for Sick Children" from 01.12.1978 to 01.12.1980. After returning to the faculty, he continued his pediatric surgery studies and became an associate professor in 1982.

In the same year, he was appointed as the founding chairman of the Pediatric Surgery Department at Istanbul Faculty of Medicine on 06.09.1982. He established the department, which included a 30-bed inpatient unit, an ICU, a polyclinic, and an operating room for students, assistants, and specialists. In 1988, he became a professor. In addition to leading the Pediatric Surgery Department, he served as the Vice President of the Department of Surgical Medical Sciences between 1990 and 1995. From 1995 to 1998, he was the Head of the Department of Surgical Medical Sciences at Istanbul Faculty of Medicine.

He is a specialist in General Surgery, Pediatric Surgery, and Pediatric Urology. He has numerous cited and published clinical and experimental research articles, case reports, expert theses, and free papers presented at domestic and international congresses. He is the author of several books, including Pediatric Surgery Book of Pediatric Surgery (2014), Newborn Surgery (2008), and Pediatric Surgery Book (2013).

He is a member of various professional medical associations, including the Turkish Ministry of Health Pediatric Surgery Society. He established, developed, and trained a large number of students, assistants, specialists, and faculty members at the Istanbul Faculty of Medicine, Department of Pediatric Surgery. He left the Department of Pediatric Surgery in 2013 and retired due to age limits on 16.03.2016. His contracted working period at the same faculty ended on 22.10.2016. He continues to work as a Pediatric Surgery Specialist at Istanbul Florence Nightingale Hospital and participates in weekly meetings of the Council of Children's Tumors.

Professor Dan Grisaro is a leading Israeli specialist in gynecological cancer diagnosis and treatment, specializing in ovarian cancer, uterine cancer, and cervical cancer. He has senior physician, head of department and lecturer experience at various medical centers and universities. He has held 39 presentations and is the author of 83 published scientific articles, and is a member of various professional societies.

Professor Shlomi Constantini is a highly-trained neurosurgeon in Israel with expertise in general and pediatric neurosurgery, microsurgical operations, reconstructive interventions, and brain and spine tumor treatments. He has received several awards and is a member of multiple professional organizations.