Best Biopsy gastroenterologists: TOP 412 doctors

Endocrinologist

Dr. Ceylan Sengul is a child development specialist who works with children aged 0-6 years. She has strong experience with developmental issues such as learning difficulties, ADHD, speech delays, and delayed toilet training. She also helps children with aggressive behaviors, eating disorders, depression, social phobia, panic attacks, addictions, and psychosomatic symptoms.

Dr. Sengul is known for treating school problems, trauma, sibling rivalry, low self-confidence, mood disorders, gender identity concerns, urinary incontinence, and body image issues. She uses evidence-based methods and has helped many children and families achieve better outcomes.

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.

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. Sullivan graduated in Medicine and Surgery from the National University of Rosario in 2005, specializing in Medical Oncology through the MIR at the Santa Creu i Sant Pau Hospital (HSCiSP, 2012) in Barcelona.

She received a post-MIR scholarship from the Ministry of Interior from HSPiSP (2012) and then a pre-doctoral scholarship from ISCiii (Rio Hortega – 2013-2015).

In 2014, he moved to Paris where he obtained a DUERTECC diploma at the Gustave Roussy University Hospital (Villejuif), followed by an ESMO scholarship (Georges Mathé Translator Scholarship), which he received in 2016.

Since January 2017, he has been working on the staff of the Medical Oncology Department of the HSCiSP. In the same year, he obtained his PhD from the Autonomous University of Barcelona.

Since 2015, he has been a member of the Board of Directors of the Spanish Lung Cancer Group (GECP). And since 2022, he has been the coordinator of the HSCiSP Committee on Neuroendocrine Tumors.

In November 2021, she joined the IOR Medical Oncology Service and is actively involved in various research projects in the Pangea Lab under the supervision of Dr. Molina.

Dr. Sullivan is involved in several clinical trials in lung cancer and neuroendocrine tumors, many of which have been presented at various international scientific meetings.

She has participated in national and international conferences and is an author and co-author of research articles published in influential journals.

She is currently a member of the Spanish Society of Medical Oncology (SEOM), GECP, European Society of Medical Oncology (ESMO), American Society of Clinical Oncology (ASCO), European Organization for Research and Treatment of Cancer (EORTC) and the Spanish Group of Neuroendocrine and Endocrine Tumors (GETNE).

Dr. Fernandez Oliva graduated with honors from the Faculty of Medicine of the Universitat Autònoma de Barcelona, specializing in Medicine and Surgery.

Completed his residency in Obstetrics and Gynecology at the Hospital de la Vall d'Hebrón, Barcelona.

The doctor combines clinical practice with continuous education and scientific work.

Lecturer at the CTO Medical Academy.

Participant of courses and congresses:

- Congress of the European Society for Gynaecological Endoscopy (ESGE), 2015

- Course in Medical Genetics and Fetal Medicine, Catalan Society of Obstetrics and Gynecology, Barcelona 2015

- Course in robotic and laparoscopic surgery, Hospital Vall d'Hebrón, Barcelona 2016

- Congress of the Sociedad Española de Ginecología y Obstetricia (SEGO), 2017.

Current areas of scientific research:

- Prevention of preeclampsia in early pregnancy

- Immunological interaction between the mother and the fetus

Dr. Francesc Cobo Valien graduated from the Faculty of Medicine of the University of Barcelona in 1990.

He received his specialization in oncohematology at the Hospital Clínic de Barcelona in 1995. He combined medical practice and research activities in the period 1996-2002.

He received his Doctor of Medicine degree from the University of Barcelona in 2002.

Dr. Kobo continues his research and has been awarded grants:

•Interdepartmental Commission for Innovation of the Generalitat de Catalunya

•Scholarship Fund Universitaria Agustí Pedro i Pons

•Farreras Valentí & Schering Plough School of Hematology Scholarship

•Award for the best report at the Council of the Spanish Hematology Association

•Grant from the Catalan Society of Hematology

Specialization:

•Lymphoma

•Acute leukemia

•Chronic leukemia

•Autoimmune pancytopenia

One of the best cancer specialists in Europe, educator, and cancer researcher, President of the Central European Cooperative Oncology Group (CECOG).
Has published over 600 scientific papers on cancer treatment.

Prof. Dr. Cem Iyibozkurt is a respected Gynecologic Oncologist and Professor of Obstetrics & Gynecology. He is known for his skill in minimally invasive and robotic surgery. Dr. Iyibozkurt holds a PhD in Molecular Medicine. He has completed advanced training in Oxford, Leeds, and Florida. He combines innovative research with strong clinical practice.

Dr. Iyibozkurt is a leader in robotic-assisted gynecologic oncology surgeries. He has performed hundreds of minimally invasive procedures. These surgeries help reduce patient recovery times and lower surgical risks. He is accredited by the European Society of Gynaecological Oncology and the Turkish Society of Gynecologic Oncology. These accreditations show his dedication to high standards of care.

Dr. Iyibozkurt currently practices at Istanbul Florence Nightingale Hospital. He provides evidence-based treatments and is recognized for advanced gynecologic oncology care.

A specialist in the digestive sy through MIR from the Hospital Clinic of Barcelona and a Doctor of Medicine from the University of Barcelona, he received his PhD from the University of Barcelona.

He completed his postgraduate training in the Gastroenterology Service of the Barcelona Hospital Clinic and then in the Department of Gastroenterology at Case Western Reserve University (Cleveland, USA), where he conducted cutting-edge research on inflammatory bowel diseases (IBD, Crohn's disease and ulcerative colitis).

From 2004 to 2011 he worked in the Gastroenterology Department of the Barcelona Hospital Clinic / IDIBAPS, and since 2011 he has worked as a specialist doctor in the Digestive Sy Department of the Teknon Medical Center in Barcelona.

He was a member of the Scientific Committee of ECCO and coordinator of the European project "IBDChip". He is the author of more than 150 publications and 500 presentations at conferences and conferences.

Experience:

Digestive sy specialist, completed the MIR training program and completed his residency in this specialty at the Provincial Hospital of Barcelona between 1993 and 1996.

Doctor of Medicine from the University of Barcelona with the qualification "Distinguished Diploma Unanimously". In 2001 he received the Distinguished Doctorate from the University of Barcelona.

Between 1997 and 1999, he completed his postgraduate training in the Gastroenterology Department of the Provincial Hospital of Barcelona. Subsequently, he completed two internships in the Gastroenterology Department of Case Western Reserve University in Cleveland, USA, between 2000 and 2003, where he conducted cutting-edge research in the field of gastroenterology.

Since 2004 he has been working in the Gastroenterology Service of the Provincial Hospital of Barcelona / IDIBAPS, focusing on the treatment and research of inflammatory bowel diseases.

He is the author of numerous publications, conference papers and book chapters both nationally and internationally.

Member of the Catalan Society of Gastroenterology, the Spanish Association of Gastroenterology, the Spanish Working Group on Crohn's Disease and Ulcerative Colitis and the American Gastroenterological Association.

Areas of special interest: storage rhythm disorders, chronic diarrhea, inflammatory bowel diseases (Crohn's disease and ulcerative colitis) and other causes of chronic intestinal inflammation.

Dr. Martin Schindl is a senior consultant at the University Hospital of Surgery, Vienna General Hospital. He specializes in surgery of the pancreas, liver, gallbladder, and bile ducts. He also focuses on surgical cancer therapy. Dr. Schindl leads the surgical outpatient clinic for pancreatic and biliary diseases. He coordinates the interdisciplinary pancreatic cancer group at the Comprehensive Cancer Center Vienna.

He founded the ABCSG Pancreas Working Group. Dr. Schindl reviews articles for international surgical journals. He is a member of several national and international surgical societies. He also serves on the ethics committee of the Medical University of Vienna. Dr. Schindl has made important contributions to cancer therapy research and patient support programs.

Univ.-Prof. Dr. Wolfgang Johannes Köstler is a board-certified specialist for Internal Medicine, Hematology/Oncology, and Intensive Care Medicine who specializes in hematology & internal oncology, intensive care medicine. He is one of the top-rated breast cancer and sarcoma oncologist specialists and has extensive experience in the field and has received degrees from the Medical University of Vienna and the Weizmann Institute of Science. He has also had special training at Memorial Sloan-Kettering Cancer Center and Royal Prince Alfred Hospital.

Dr. Sebastian F. Schoppmann is an expert in general and visceral surgery. He has focused on upper gastrointestinal (GI) surgery since 2007. He leads the Gastroesophageal Tumor Unit (CCC-GET) at the Comprehensive Cancer Center Vienna. He is also an Associate Professor of Surgery at the Medical University of Vienna.

Dr. Schoppmann has published over 240 peer-reviewed articles. He serves as a consulting or associate editor for several leading surgical and oncology journals. He is the General Secretary of the Austrian Society of Surgical Oncology. He has also held important leadership roles in surgical oncology organizations. His work has helped advance upper-GI cancer surgery.

Known Expertise 

Medical Oncologist 

Academic Position 

Senior Lecturer 

Education

Bar-Ilan University, Israel / Computational Biology 

Israeli Society for Health-Tech / Fellowship by IMA/ Innovation and Entrepreneurship in Medicine and Health-Tech 

Sheba Medical Center and Bar-Ilan University, Israel/ Genomics and Biomedical Informatics 

Semmelweis University/Doctor of Medicine 

Training and Specialization 

Clinical observership in acute oncology, early phase clinical trials and lung cancer/ Guy's and St. Thomas hospital, London, England 

Leader Shift, Executive Development Program, Tel-Aviv Sourasky Medical Center 

Fellowship Program in Innovation and Entrepreneurship in Medicine and Health-Tech 

Resident, Medical Oncology, TASMC, Israel 

6th year medical school rotations, Kaplan Medical Center, Israel 

Rotation, intensive care unit and pulmonology, Stony Brook hospital, NY, US 

Clinical Experience 

Leader of the TASMC oncology project of PSIFAS, the Israeli National Genomic Medicine Initiative 

PI for study initiator trial: T-Cell Repertoire sequencing as clinical efficacy tool for pembrolizumab (with platinum based chemotherapy) in advanced NSCLC. 

PI for study initiator trial: T-cell repertoire sequencing as a clinically efficacy tool for neoadjuvant immunotherapy plus platinum-doublet chemotherapy for resectable NSCLC. 

Representative of the National Medical Association for the National Council for the Prevention, Diagnosis and Treatment of Malignant Diseases, as well as head of the oncology field, Leumit HMO 

Consultant on drugs and operations in the field of oncology, Leumit HMO 

Member of the Helsinki Committee for Clinical Studies, TASMC 

Primary investigator (PI) in pharmaceutical phases I&III clinical trials Head of oncology day-care service, TASMC, Israel 

Molecular Tumor Board (MTB) moderator of the Israeli Lung Cancer Society 

NGS interpretation clinic alongside head of pathology, TASMC, Israel 

PI for study initiator trial: Genomic Variant of BCL-2 as a Novel Predictor of Response to Paclitaxel, TASMC, Israel 

Medical oncology clinic in the field of lung and breast cancer, TASMC, Israel

Leading sub-investigator (SI) in many phase I-III clinical trials in oncology, including intra-tumoral injections (mRNA, viruses and NO), TASMC, Israel 

Courses 

Good Clinical Practice ICH GCP R2 & Israeli MOH Guidelines Updated Course 

Point-of-Care Ultrasound course, Israeli Medical Association 

GCP training Bioforum 

GCP training Bioforum

Investigator Site Personnel ICH GCP Training Certificate - TransCelerate BioPharma 

Academic Experience 

Lecturer in the Department of Medical Education at the Faculty of Medical and Health Sciences at Tel Aviv University 

JIMS Journal Club - Instructor for students. 

Guidance of Dr. Aviv Berkovich M.D in basic science: cfDNA NGS for identification ofprimary and acquired resistance in patients with Lung Cancer and EGFR mutations. 

TASMC, Israel in collaboration with The Tisch Cancer Institute Icahn School of Medicine at Mount Sinai, NY USA 

Training team for oncology residents, TASMC, Israel 

Mentor for new intern, TASMC, Israel 

Tutor for medical students in oncology clerkships, Tel-Aviv University, Israel 

Honors 

Outstanding teacher in the faculty of medicine, Tel-Aviv University, Israel

 Outstanding teacher in the faculty of medicine, Tel-Aviv University, Israel 

Sign of honor for reserve medical personnel for the battle in Lebanon, IDF

Completion of residency final examination (shlav Beit) with honors 

Israeli society for clinical oncology and radiation therapy (ISCORT) 17 research grant competition winner 

Affiliations 

Israeli Medical Association (IMA) 

Israeli Society for Clinical Oncology and Radiation Therapy (ISCORT) 

The Israeli Lung Cancer Group (ILCG) 

European Society of Medical Oncology (ESMO) 

International Association for the Study of Lung Cancer (IASLC) 

The International Society of Liquid Biopsy (ISLB) 

The Israeli Society for Health-Tech 

Boards 

Co-founder, board member and treasurer of the Israeli Acute Oncology Society 

Clinical Research Association Board of Directors on behalf of the Israeli Lung Cancer Group 

Member of the Trustees of Oncology Innovation, TASMC, Israel 

Doctor of Medical Service IDF 

Areas of interest 

Thoracic malignancies, 

early to late phase clinical trials, 

intra-tumoral injections, 

comprehensive genomic profiling of tumors, 

liquid biopsies: cfDNA, TCR rep-seq and epi-Genetics; 

therapy

*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 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 

Areas of interest

Infertile Couple Assessment, Rive Difficulties, Functional Medicine, Polycystic Ovarian Disease, Endometriosis, I, In, Treatments, urinary incontinence, sexual therapy, sexual dysfunction, genital aesthetics, laparoscopic surgery

Education and Expertise  

Diyarbakır Ziya Gökalp Süper High School 1995-1999 Diyarbakir Dicle University Faculty of Medicine - Medical Education 1999-2005 Diyarbakir Dicle University Faculty of Medicine Department of Physical Medicine and Rehabilitation- Specialization Training 2005-2007 Istanbul Kanuni Sultan Süleyman Teaching and Research Hospital Department of Obstetric and Gynecology Specialization Training 2007-2012

University of Health Sciences Bakirköy Dr Sadi Konuk Teaching and Research Hospital, - Research Assistant 2012-2017Istanbul Aydin University Tıp Fakültesi, department of Obstetric and Gynecology Assistant Professor 2017-2019 İstanbul Aydın University Faculty of Medicine Department of Obstetric and Gynecology Associate Professor 2019- Assisted Rive Therapy Certification 2019

Training and Experience IAÜ VM-Medical Park Florya , responsible physician Currently

Professional Memberships

Turkish Gynecology and Obstetrics Association

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.