Page 4 - Best Liver biopsy doctors: TOP 129 doctors

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.

The doctor is a highly experienced oncosurgeon with a focus on advanced surgical techniques for cancer treatment. With extensive expertise in the field, the doctor has contributed significantly to the development of innovative surgical protocols aimed at improving patient outcomes. The doctor is recognized for their dedication to clinical excellence and has published numerous research papers in prestigious medical journals. As a professor, the doctor is actively involved in educating the next generation of surgeons, emphasizing the importance of precision and patient-centered care in oncosurgery.

Gastroenterology

Pendik Medipol University Hospital

Education

1999 Karadeniz Technical University, Gastroenterology

1997 Atatürk University, Internal Diseases Professorship

1992 Atatürk University, Internal Diseases Associated Professorship

1985 Atatürk University, Internal Diseases Specialist

1981 Atatürk University Faculty of Medicine

Publications

1- Nihat Okçu Gülçin Polat, Arif Yılmaz, Mehmet Koruk, The demographic features of gastric cancers in Erzurum(Eurasian J Med 2000; 32: 63-65)

2- An Evaluation of Upper Gastrointestinal Bleeding Cases. Clinical Sciences-Doctor.2000, - E.akarsu,N.Okçu,et Ark.Northeast Anatolia 6:4:435-438

3-N.Okçu, A.yılmaz. İ.kiki,MDonuk, C.gündoğdu, H.uzunismail. Our Diagnostic Upper Gastrointestinal Endoscopy Results. Atatürk University Medical Journal 1997,29 (2):486

4-N. Okçu, M.gündoğdu, MD onuk, İ.kiki, l.cerrahoğlu, k.yılmaz, I. çapoğlu. The Role of Misoprostol in Preventing Gastroduodenal Lesions in Patients Using Nonsteroidal Anti-Inflammatory Drugs (NSAIDs). Atatürk University Medical Journal 1997,29 (2):453-455.

5-N.Okçu, A. Öz, MD Onuk, E.Akarsu, B. Tekin, Hz Tonbul, H.Kaya. Plasma Fibronectin Levels in Chronic Active Hepatitis and Decoction of Liver Parenchymal Insufficiency and Their Relationship with Liver Functional Status. Turkish J. Gastroenterol 1995;27(4): 422-426.

6-N.Okçu, Tahir Buran, MD Onuk, A. Yılmaz, E.Akarsu, G. Akçay. Prevalence of Helicobacter Pylori in Patients with Duodenal Ulcer in Erzurum and Surrounding Area. Turkish J. Gastroenterol 1995;27(4): 447-450.

7-N.Okçu, bs awake, e. akarsu, e. bakan, z. tonbul. Importance of Carbohydrate Antigens (CA-19-9, CA-125), Carcinoembryonic Antigen (CEA) and Alkaline Phosphatase in Gastric and Colorectal Cancers. Turkish J. Gastroenterol 1995;6:467-471.

8-N. Okçu, MD Onuk, E. Akarsu, H. Doğan, C. Gündoğdu. Major Risk Factors in Patients with Hepatocellular Carcinoma in Our Region. Gastroenterology 1994;5(2):154-157

9-N.Okçu, md. Onuk, e. akarsu, h. doğan, c.gündoğdu, tahir buran. Frequency of gastric carcinoma in Erzurum region, endoscopic and histological features. Gastroenterology 1994;5(2):263-267.

10-N. Okçu, MD Onuk, Tahir Buran, E. Akarsu, MA Çiftçioğlu. Frequency of Helicobacter Pylori in Nonspecific Gastritis Cases in Erzurum Province. Gastroenterology 1994;5(2):211-213.

11-N.Okçu, MD Onuk, Ö. Ünal, E. Akarsu, L. İncesu, K. Akgöz. Diagnostic Value of Ultrasound-Guided Fine Needle Aspiration Biopsy in Intra-Abdominal Mass Lesions. Gastroenterology 1993;4(1):166-68.

12-NOkçu, md. onuk, m. polat, a. yılmaz, m. gündoğdu, m. paç. Budd-Chiari Syndrome (2 Cases). Turkish J Gastroenterhepatol 1993; 4(1):77-80.

13-N.Okçu, H. Koçak, MD Onuk, M. Gündoğdu, E. Bakan, A. Yılmaz, A. Başoğlu, A. Ateş, F.A. Paç. The Effect of Atrial Pressure Changes and Cardiac Nerves on Plasma Atrial Natriuretic Peptide (ANP) Levels. Vascular Surgery 1993; 27(2): 128-132

15-N.Okçu, MD Onuk, A.Yılmaz, M. Gündoğdu, T. Buran. Effects of Omeprozole and Ranitidine on Peptic Ulcer Healing. Doğa-Tr.J. of Medical Sciences 1992;16:657-658.

16-N. Okçu, Mr. Yiğitoğlu, B. Adam, E. Bakan. The Effect of Digixin on Plasma Atrial Natriuretic Peptic Level in Patients with Congestive Heart Failure. S.Ü. Medical Faculty Journal 1991;7(2):243-247..

17-N.Okçu, A. Yılmaz. The Effect of Histamine H2 -Receptor Antagonists in Upper Gastrointestinal System Bleeding. Endoscopy Journal 1991;2(4):17-23.

18-N.Okçu, E. Bakan, B. Adam, A. Yılmaz, Mr. Yiğitoğlu. Sex Hormones and Sex Hormone Binding Globulin Levels in Patients with Chronic Hepatitis and Liver Cirrhosis (Letter to the Editor). Nature-Tr. J. Of Medical Sciences 1991;15:1-2.

19-N.Okcu Ömer Yılmaz.Helıcobacter pylori and related gastrointestinal system diseases. Turkish Clinics JMed Sci. 2013;33(3):806-13

20-Nihat Okçu, Ömer Yılmaz, Hakan Dursun, Gülçin Polat. The relationship between dyspeptic symptoms, nutritional habits, endoscopic and histological findings (Eurasian J Med 2006; 38: 13-17)

21-Mehmet Bilici,1Nihat Okcu,1Kerim Cayir,1Ibrahim Pirim,2Salim B. Tekin,1andCemal Gundogdu3 - Distribution of HLA Tissue Groups in Patients with Gastric Cancer Eurasian J Med. 2010 Apr; 42(1): 9.11.

22-Nihat Okcu,Abdulhalim Bak,Mehmet Sari,Mehmet Arslan,Sait Kapicioglu:The fibroblast proliferation, relationship of hepatocyte growth factor (HGF) and interferon-A2A Gastroenterology April 2000Volume 118,Issue 4, Part 2, PageA1404

23-Kubra Kaynar,Sait Kapicioglu,Mehmet Sari,Nihat Okcu,Abdulhalim Baki. The effect of fish oil on stress ulcer prophylaxis GastroenterologyVolume 118, Issue 4, Part 2, PageA1255

The doctor is a highly skilled radiotherapy specialist and oncologist with extensive experience in the treatment of various cancers. Specializing in advanced radiotherapy techniques, the doctor has significantly contributed to improving patient outcomes through innovative treatment plans. The doctor is accredited by leading medical boards and has published numerous research papers in prestigious medical journals, enhancing the field of oncology with groundbreaking findings.

Experience

Liman Hospital Radiology Clinic

Academy Medical Center

Anaclinic Medical Center

Kayseri State Hospital

Kayseri Erciyes University Radiology Clinic

Samsun Private Midiliv Medical Center

Samsun Büyük Anadolu Hospital (2023)

uzmanlık

The doctor is a distinguished oncosurgeon with extensive experience in urology. Specializing in advanced surgical techniques, the doctor has significantly contributed to the field of urologic oncology. With a focus on minimally invasive procedures, the doctor has successfully performed numerous complex surgeries, improving patient outcomes. The doctor is also actively involved in clinical research, contributing to several peer-reviewed publications and presenting findings at international conferences.

The doctor is an accomplished oncosurgeon with extensive experience in urology. As the Head of the Samsung Department of Urology, the doctor has led numerous innovative surgical procedures and contributed to significant advancements in the field. The doctor is recognized for expertise in minimally invasive techniques and has been instrumental in developing new protocols for cancer treatment. The doctor is highly regarded for a commitment to patient care and has received multiple accolades for contributions to medical research and education.

Urologist, Oncosurgeon

The doctor is a highly skilled gynecologist with a specialized focus in oncogynecology, providing expert care in the diagnosis and treatment of gynecological cancers. With extensive experience in both surgical and non-surgical approaches, the doctor is committed to advancing women's health through innovative treatments and compassionate care.

The doctor is an oncosurgeon with 25 years of experience, specializing in rectal and colon cancer treatment, bariatric surgery, and esophageal cancer treatment.

With over 15,000 surgical procedures performed, the doctor conducts more than 1,000 minimally invasive surgeries annually, utilizing laparoscopic and robotic techniques.

A member of international medical societies, the doctor is the president of the Association of Surgeons-Endoscopists in Europe and lectures on advanced surgical techniques and laparoscopy.

Renowned as a pioneer in gastrointestinal surgery, the doctor was the first to perform groundbreaking procedures such as gallbladder removal through the mouth and the first transanal total mesorectal excision (TaTME).

Dr. Yaacov Lawrence, MA, MBBS, MRCP, is Chair of Radiation Oncology at Sheba Medical Center. He has nearly 30 years of experience in precision radiation oncology and neuro-oncology.

He is an expert in advanced radiation therapy and radiosurgery. He performs stereotactic radiosurgery for brain tumors. He leads Sheba’s GI Cancer Program in gastrointestinal oncology. He also provides precision care for lung and prostate cancers. He pioneered celiac plexus radiosurgery for severe pain from pancreatic cancer.

Training and credentials: MA and MBBS (Cambridge and UCLH); MRCP (RCP); Radiation Oncology fellowship (Thomas Jefferson University). Honors include the ASCO Young Investigator Award and Fellow of ASTRO (FASTRO). He has authored over 280 publications. He is Director of the Center for Translational Radiation Oncology and an Associate Professor at Tel Aviv University.

The doctor is a highly experienced oncologist with a focus on innovative cancer treatment methodologies. With over 15 years of clinical practice, the doctor has successfully treated a wide range of malignancies using cutting-edge therapies and personalized medicine approaches. The doctor is board-certified and has contributed to numerous peer-reviewed publications in oncology journals. Additionally, the doctor has been involved in several groundbreaking research projects aimed at improving patient outcomes and has presented findings at international conferences.

The doctor is an accomplished oncogynecologist with extensive experience in treating gynecological cancers. Specializing in advanced surgical techniques and personalized treatment plans, the doctor has contributed significantly to improving patient outcomes. With numerous publications in peer-reviewed journals, the doctor is recognized for expertise in minimally invasive procedures and has been a keynote speaker at international conferences.

The doctor holds board certification in gynecologic oncology and is actively involved in clinical research, focusing on innovative therapies and early detection methods. The doctor is affiliated with a leading medical institution and collaborates with multidisciplinary teams to provide comprehensive care.

The doctor is a top gastroenterologist specializing in the management of pancreatic, bile duct, and gallbladder cancers. With extensive experience, the doctor serves as a gastroenterology specialist at the Department of Gastroenterology at Samsung Medical Center.

The doctor completed medical education at Hanyang University College of Medicine in South Korea, with further training at Stanford University School of Medicine in the USA and Kyoto Second Red Cross Hospital in Japan. The doctor is also an active member of The Korean Society of Gastrointestinal Endoscopy and The Korean Society of Gastroenterology.

The doctor is a leading gastroenterologist in South Korea and Asia, specializing in the management of pancreatic, bile duct, and gallbladder cancers, as well as pancreatitis and gallstones.

Currently practicing at Samsung Medical Center, the doctor has an educational background from The Seoul National University College of Medicine and The University of California.

The doctor is an active member of several professional organizations, including The Korean Society of Gastrointestinal Endoscopy, The Korean Society of Gastroenterology, and The Korean Pancreatobiliary Association.

The doctor graduated from Istanbul University Cerrahpasa Faculty of Medicine and has extensive experience in internal medicine and gastroenterology. Specialized training was completed at Haydarpaşa Numune Training and Research Hospital, focusing on gastroenterology. The doctor has held positions at various hospitals, including Haydarpasha Nummune Hospital and Shishli Etfal Training and Research Hospital, and has worked at Unimed Private Polyclinic and Hospitallium Camlica.

Expertise includes procedures such as esophagogastroduodenoscopy, colonoscopy, chromoendoscopy, and various treatments for gastrointestinal bleeding and strictures. The doctor is proficient in advanced techniques like esophageal varicose band ligation and percutaneous endoscopic gastrostomy.

Education

• Undergraduate: Istanbul Faculty of Medicine, Istanbul University, 2007
• MSc (Internal Medicine Department): Marmara University Faculty of Medicine, 2012
• PhD (Hematology Clinic): Istanbul Training and Research Hospital, 2018
• Associate Professor (Hematology Clinic): Prof.Dr.Cemil Tascioglu Training and Research Hospital, 2019

Prof. Dr. Rafet Eren graduated from Istanbul Faculty of Medicine in 2007. He completed his Internal Medicine specialty training at Marmara University Faculty of Medicine in 2012. In 2018, he became a Hematology subspecialist at Istanbul Training and Research Hospital. In 2019, he was awarded the title of Associate Professor in the field of Hematology. Afterwards, he worked as a faculty member at Başakşehir Çam and Sakura City Hospital, Bozyaka Training and Research Hospital and Istinye University (Istinye University Bahçeşehir and Liv Hospital Vadistanbul) and is currently working at Biruni University Hospital. Dr. Rafet Eren is a member of Turkish Society of Hematology, Hematology Specialty Society and European Society of Hematology and speaks English fluently. He has around 50 publications in national and international refereed journals.

Scientific Memberships

• Turkish Hematology Association
• Hematology Specialty Society
• Turkish Internal Medicine Specialty Society
• European Society of Hematology
•  

Awards 

• Young Researcher Award (42nd National Hematology Congress), 2016
• Special Jury Paper Award (3rd Hematologic Oncology Congress), 2015
• Paper 3rd Prize (2nd Hematologic Oncology and Bone Marrow Transplantation Symposium), 2016

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 System Cancers
• Bone Tumours
• Trachea and Bronchial Cancers
• Skin Cancers - Skin Cancers
• Skeletal System Tumours
• Gallbladder Cancer
• Mesothelioma

Education

İnönü Üniversitesi Tıp Fakültesi (ingilizce) 1995- 2002

Work Experience

Başbakanlık S.H.Ç.E.K. Genel Müdürlüğü Kurum Hekimliği (2003)

Erciyes Üniversitesi Tıp Fakültesi Genel Cerrahi Uzmanlığı 2011

Yüzüncü Yıl Üniversitesi Temel ve İleri Düzey Endoskopik Girişimler Eğitimi 2011

İstanbul Hastanesi /Van 2011

Özel Malatya Hastanesi / Malatya2012

Bilgi Tıp Merkezi Keçiören /Ankara 2013

Özel Koru Sincan Hastanesi Sincan/Ankara 2013

Baş Tibb Mərkəzi /Baku Clinic Azerbaycan/Bakü 2013

Yüksek İhtisas Üniversitesi Özel Koru Ankara Hastanesi 2019

Özel Ankara Koru Hastanesi /Ankara 2019

Medical Interests

laparoscopic obesity
Laparoscopic abdominal and inguinal hernia repairs (with the latest techniques)

Postpartum laparascopic diastasis recti (the formation of a protrusion in the upper middle abdomen due to the separation of the muscles in the abdominal tissue) and abdominal hernias above the navel and and gobekustunde both diastasis recti repair and abdominal hernia repair from the skin with laparascopic scola method for the first time in Turkey laparascopic stomach hernia and antireflu surgery).  

Laparoscopic gallbladder surgeries, including cleaning the bile duct with trans-cystic choledochal irrigation in patients with bile sludge and stones less than 5mm in the bile duct, performed in the same session

Laparoscopic gallbladder surgeries in pregnant women during the 2nd and 3rd trimesters, i.e., after 12 weeks of pregnancy

Laparoscopic Appendectomy in Pregnancy

Anal disorders, anal fissures, all types of internal and external hemorrhoid surgeries, anal fissure, and anal fistula surgeries

Thyroid surgeries and cancers, parathyroid surgeries and cancers

Breast diseases and breast cancer surgery

Oncological surgery; liver and gallbladder and bile duct surgeries, stomach cancer surgery, colon cancer surgery, and liver resections for metastatic liver tumors