Best oncologists: TOP 625 doctors

Prof. Boris Pfaffenbach is a highly experienced gastroenterologist and oncology specialist from Germany with a specialty in endoscopic examinations and treatment of the gastrointestinal tract, gallbladder and pancreas disorders. He is the head of the Department of Gastroenterology, Oncology and Internal Medicine at the Medical Center in Solingen and has vast experience in the field, including 9,000 surgeries under his command. He holds degrees in general medicine, internal medicine and gastroenterology, and is the author and co-author of over 130 publications. He is a member of several professional organizations, including the German Society of Gastroenterology, the European Society of Gastroenterology and Endoscopy and the German Dietitian Association.

Medical Interests and Activities 

Gastrointestinal diseases 

Oncologic laparoscopic surgery 

Anorectal area diseases 

Urgent surgical cases (acute cholecystitis, divertikülit, ileus, pankreatit, appendicitis) 

Colon and rectum cancer 

Treatment of oncologic surgical cases with further laparoscopic and robotic surgery. 

Laparoscopic hernia surgery 

Esophagus and stomach cancer 

Selim anorectal diseases (hemorrhoidal disease, anal fissure), perianal fistula, pilonoidal sinus (hairless- non-surgical treatment)

Education and Experience 

İstanbul University Medical Faculty 1988 

University of Colorado Health Science Center – Intern Surgeon 

Isparta, Dedeçam Şehit Ramazan Karaca Health Center (1995-1996) 

İstanbul Surgery Hospital – American Hospital (2000-2001) 

Chief assistant Istanbul Medical Faculty, Department of General Surgery (2001-2008) 

World Congress on Peritonel Surface Malignancies (HIPEC course) Berlin, Germany (2012) 

USC Keck School of Medicine, Los Angeles, CA, USA (2006-2007) 

Assoc. Prof. M.D. , İstanbul Medical Faculty General Surgery (2008-2014) 

Da Vinci Robotic Intensive Course at IRCAD, Strasbourg, France (2011) 

Stony Brook Medicine Cadaver Training Event in Colon and Rectal Surgery, New York, USA (2016) (Instructor) 

Fellow of the European Board of Surgery- Emergency Surgery (FEBS EmSurg) Honorary Diploma (2017) 

Prof. M.D. , İstanbul Medical Faculty General Surgery (2014 -2017) 

İstanbul University Medical Faculty – General Surgery Master of Science 1996 

University of Southern California Medical Center, Department of General Surgery, Los Angeles, USA – February 2006 – February 2007

Liv Hospital

Memberships 

Turkish Society of Surgery 

National Endoscopic Laparoscopic Surgery Association 

Turkish Colon and Rectum Surgery Association 

National Trauma and Emergency Surgery Association 

Hepato-Pancreato-Bilier Surgery Association 

Istanbul Surgical Association 

Flebology Association 

ESTES (European Society of Trauma and Emergency Surgery) 

International Society of Surgery (ISS)

Dr. Alper Karalok is a specialist in gynecology, obstetrics, and gynecologic oncology with over 18 years of experience. He is known for his skill in advanced surgical procedures such as myomectomy, hysterectomy, and ovarian cyst removal. He focuses on minimally invasive and robotic surgeries for gynecologic cancers.

Dr. Karalok graduated from Ankara University. He completed further training at Akdeniz University and Etlik Zübeyde Hanım Hospital. He also completed a fellowship at Memorial Sloan Kettering Cancer Center in the USA. He is a member of ESGO, ENYGO, and TRSGO, showing his dedication to professional growth in gynecologic oncology.

Dr. Nejat Akalan is a leading neurosurgeon specializing in brain and nerve surgeries, with over 35 years of experience. His areas of expertise include epilepsy, glioma, skull injuries, movement disorders, spine tumors, herniations, and other nervous disorders. He uses advanced techniques in his surgeries and has published 117 scientific papers and a book.

Dr. Ahmet Belici is an experienced medical oncologist with 20+ years of experience specializing in sarcoma and lung cancer treatments.

Dr. Ofer Merimsly is the best sarcoma, lymphoma, and lung cancer doctor within Israel and in the world. Also specializes in Whipple surgery treatment for patients with pancreatic cancer. Head of the National Center for sarcomas of bone and soft tissues of the Tel Aviv Medical Center Sourasky (Ichilov).

Specialty:

• Treatment of all types of lung cancer and thoracic organs
• Treatment of all types of sarcomas of bone and soft tissue
• Treatment stromal tumors of the gastrointestinal tract

Education and specialization:

• Higher medical education, graduated the Medical Faculty of the Hebrew University of Jerusalem, Israel
• Residency in General Oncology and Radiotherapy
• Training in the field of radiotherapy and brachytherapy at New York Hospital, USA
• Special refresher course for the treatment of tumors of the skeleton and soft tissues, Paris. France

Membership:

• President of the Society of oncologists and radiotherapists Israel
• The American Scientific Cancer Society
• European scientific medical organization
• European Society of Oncology of the musculoskeletal system
• International Society for the treatment of tumors of the connective tissue

Dr. David Sarid is a specialist in oncology and radiotherapy based in Israel with expertise in chemotherapy, radiotherapy, and biological cancer therapy. He has been educated in the UK, Israel, and Georgia and has written over 30 articles devoted to cancer treatment. He is a lecturer at Tel Aviv University and a member of several medical organizations.

Dr. Tamer Atasever is a Nuclear Medicine Specialist with 39 years of experience, speaking English and Turkish. He is a professor in Gazi University and has been a director of the Department of Nuclear Medicine in Ankara Order Laboratory. He is a member of the Turkey Association of Nuclear Medicine and the European Association of Nuclear Medicine.

• 2021 - Currently, Istanbul/Turkey
  MEMORIAL ŞİŞLİ HOSPITAL
  Dermatology Specialist
• 2021 - Currently, Istanbul/Turkey
  MEMORIAL ATAŞEHİR HOSPITAL
  Dermatology Specialist
• 2013 - 2021, Istanbul/Turkey
  MEDENİYET UNIVERSITY
  Lecturer
• 2013 - 2016, Istanbul/Turkey
  MEDENİYET UNIVERSITY
  Head of Department
• 2013 - 2014, Istanbul/Turkey
  MEDENİYET UNIVERSITY
  Director of the Institute of Health Sciences
• 2012 - 2012, /ABD
  PITTSBURGH UNIVERSITY
  Visiting Scholar
• 2010 - 2013, Erzurum/Turkey
  ATATURK UNIVERSITY MEDICAL FACULTY
  Professor, Lecturer, Dermatology Specialist
• 2001 - 2007, Van/Turkey
  YUZUNCU YIL UNIVERSITY
  Assistant Professor, Dermatology Specialist

Dr. Kemal Raşa is a highly experienced General Surgeon specializing in Modern Thyroidology & Laparoscopic Surgery with 23 years of experience. He is affiliated with several medical associations and has published several papers in his field.

Dr. Manuela Seifert is a top German breast specialist.

Specialty

Dr. Manuela Seifert is a specialist in diagnostics, therapy and aftercare of breast diseases and sonography.

Dr. Seifer applies breast conserving operations as a key treatment method.

Work experience

• Since 2016 – Head of Breast Clinic at Medical Center in Solingen
• 2012-2016 – Breast & senology specialist at Helios Universitätsklinikum Wuppertal
• 2001-2012 – Senior gynecologist and obstetrician in the Gynecology & Obstetrics Department at Klinikverbund St. Antonius und St. Josef GmbH.

Education

• The Medical Faculty of the Heinrich-Heine-University – Degree in general medicine
• Klinikverbund St. Antonius und St. Josef GmbH – Specialty in gynecology and obstetrics.

Medical Fields of Interest 

• Thoracoscopic and Robotic Minimally Invasive Surgery 

• Lung Cancers 

• Trachea Surgery 

• Lung Transplantation 

• Lung Biopsy • Pneumothorax (collapsed lung) 

• Diaphragmatic Surgery • Surgery of Pleural Diseases 

• Pediatric Thoracic Surgery

Education 

• Istanbul University, Istanbul Faculty of Medicine 

•Istanbul Galatasaray High School 

• Primary Education Ankara, Samsun, Izmir 

Activities • Prevention, research and early diagnosis of cancer • Palliative care in cancer • Cytotoxic chemotherapy • Hormontherapy • Targeted treatment • Immunotherapy Education • 2004 -2010 - Istanbul University, Istanbul faculty of medicine • 2011-2015 - Istanbul University, Istanbul faculty of medicine, internal medicine specialist • 2013-2014 - Cleveland Clinic Endocrinology Department, research associate • 2016-2019 Bezmiâlem Foundation University Medical Oncology Subdivision • Dissertation: Prognostic value of absolute monocyte count in patients with mantle cell lymphoma. • Subdivision Dissertation: An effect of adjuvant chemotherapy on lipid profile and anthropometric parameters in patients with breast and colon cancer. Publications • Circulating Thyroid-Stimulating Hormone Receptor Messenger RNA as a Marker of Tumor Aggressiveness in Patients with Papillary Thyroid Microcarcinoma. Aliyev A, Gupta M, et al. Endocr  18. • The utility of peripheral thyrotropin receptor mRNA in the management of differentiated thyroid cancer. • Aliyev A, Soundararajan S, Bucak E et al. Surgery.  • Diagnostic accuracy of circulating thyrotropin receptor messenger RNA combined with neck ultrasonography in patients with Bethesda III-V thyroid cytology. Aliyev A, Patel J, Brainard J, et al. Surgery.2016 Jan;159(1):113-7. doi: 10.1016/j.surg.2015.06.063. Epub 2015 Oct 9. • Role of Urotensin-2 in 5-Fluorouracil-Related Arterial Vasoconstriction in Cancer Patients. Seker M, Aliyev A, et al. Oncol Res Treat. Epub 2018 Aug 20. • Pertuzumab, trastuzumab and taxane-based treatment for visceral organ metastatic, trastuzumab-naive breast cancer: real-life practice outcomes. Esin E, Oksuzoglu B, Bilici A, Aliyev A. Cancer Chemother Pharmacol.2019 Jan; Epub 2018 Oct 30. • Usefulness of serum M30 and M65 levels to predict response to neoadjuvant chemotherapy in patients with breast cancer. Turk HM, Aliyev A, Celik RS. Curr Probl Cancer.2019 Jul 29. pii: currproblcancer.2019.06.009. • Prognostic impact of primary tumor location on survival in metastatic colorectal cancer patients: A single center experience. Tarik Demir, Murat Araz, Altay Aliyev. Medicine Science International Medicine Journal. • Oral presentations 

Prof. Dr. Markus Heuser is an urologist and pediatric urologist, with 24 years of medical practice. He specializes in the diagnosis and treatment of diseases of the urinary system and male genitalia, andrology, and cancer treatment. Dr. Heuser has published over 40 scientific articles and is recognized for his expertise in special urological surgery and drug treatment of tumors.

Prof. Ralf Buhl is world famous neurosurgeon with over 20 years of experience. Doctor Buhl heads the Neurosurgery Department at Solingen Klinikum. His reputation reaches China and the US where he provides neurosurgical lectures.

Specialty

Dr. Buhl specializes in non-invasive methods treatment of disc herniation, brain and spinal cord tumors. The doctor provides treatment of peripheral nervous system disorders and performs computer-assisted navigation microsurgeries.

Dr. Ralf Buhl has provided over 4,000 successful neurosurgeries. Among his patients are famous politicians, businessmen, musicians, actors. In 2015, a Hollywood star George Clooney had severe back pain and was treated by Professor Buhl.

Scientific activity

Dr. Buhl conducts scientific work and researches in intracranial cavernomas treatment, surgical treatment for brain metastases and other neurosurgery areas.

Рrofessor Buhl has cofound the Fund devoted to the study of brain tumors.

Dr. Selime Aydogdu is a specialist in pediatric hematology and oncology. She is known for her work in improving early cancer detection in children. Dr. Aydogdu has given many presentations and led discussions on recognizing early cancer symptoms. Her efforts have raised awareness in her field.

Her work has helped achieve better diagnostic results and higher survival rates for children. Dr. Aydogdu is dedicated to education and advocacy. She is a respected member of the pediatric oncology community.

Dr. Jan Dolezel is a board-certified onco-urology specialist with 20+ years of experience in robotic surgery. He holds an MD degree from Masaryk University, a Ph.D. from the University of Bratislava, and specialized in laparoscopic and robotic surgery from the University of Strasbourg. He is affiliated with multiple medical societies and has published 108 scientific papers in journals.

• 2021 - 2021, Istanbul/Turkey
  SEYRANTEPE HAMİDİYE ETFAL HOSPITAL
  General Surgery Specialist
• 2021 - Currently, Istanbul/Turkey
  MEMORIAL HİZMET HOSPITAL
  General Surgery Specialist
• 2021 - Currently, Istanbul/Turkey
  MEMORIAL ATAŞEHİR HOSPITAL
  General Surgery Specialist
• 2014 - 2014, Istanbul/Turkey
  BEZMIALEM UNIVERSITY
  General Surgery Specialist
• 2013 - 2013, /ABD
  ST-MARY HOSPİTAL
  General Surgery Specialist
• 2009 - 2009, Istanbul/Turkey
  BÜYÜKÇEKMECE PUBLIC HOSPITAL
  General Surgery Specialist
• 2009 - 2021, Istanbul/Turkey
  SISLI HAMİDİYE ETFAL HOSPITAL
  General Surgery Specialist