Page 4 - Best Online Consultation with Oncologist doctors: TOP 88 doctors

Dr. Francesc Graus is a neurologist with expertise in paraneoplastic neurological syndromes, gliomas, and primary brain lymphomas. He established the first strict diagnostic criteria for paraneoplastic syndromes. He also identified important antibodies that are now used in diagnosis. His research showed the link between tumors and autoimmune neurological attacks.

Dr. Graus earned his MD and PhD from Universitat Autònoma de Barcelona. He completed his neurology residency in Barcelona and a neuro-oncology fellowship at Memorial Sloan-Kettering Cancer Center. He is an Emeritus investigator at IDIBAPS. He founded and served as president of the European Association of Neuro-Oncology. He is also the former chief of neurology at Hospital Clinic Barcelona.

Assoc. Prof. Ayşe İrem Yasin, M.D., is a medical oncologist who specializes in solid tumors. Her clinical focus includes breast, lung, gastrointestinal, gynecologic, and urologic cancers. She also treats brain and other CNS tumors, soft tissue sarcomas, head and neck cancers, adenocarcinomas, melanoma, Merkel cell carcinoma, and cancers of unknown primary. She practices at Medipol Acıbadem District Hospital (2025–present). She previously worked at Şişli Etfal Training and Research Hospital (2023–2025).

She completed a Medical Oncology fellowship at Bezmialem Vakıf University (2019–2022). This followed an Internal Medicine residency at the same institution (2012–2016). Her international experience includes the Breast Cancer Unit at the University of Piemonte Orientale in Novara (2022). She also trained at Basel University Hospital, Cleveland Clinic, and Harvard Medical School. She holds the ESMO Board Certificate (2022).

EDUCATION AND ADVANCED TRAINING COURSES

• 1989 - received higher medical education at the Hebrew University;
• 1995 - completed residency in internal medicine and gastroenterology at the Hadassah University Hospital.
• 2001 - 2002 - Internship with Professor Scott Friedman in the Department of Liver Diseases at Sinai School of Medicine in New York.

Today, Professor Rifaat Safadi is an outstanding specialist in the field of liver disease treatment, a member of the committee for the development of the somatic cell transplant center and the head of the liver disease unit at Hadassah Medical Center. The professor is a member of several international associations for the study of the liver and is the author of numerous articles in his specialty. Professor Safadi is a member of the editorial board of the scientific medical journal Clinical Science.

Rifaat Safadi is a laureate of many scientific awards. In particular, he has been repeatedly awarded the Hadassah Prize for studying the process of immune modulation of liver fibrosis using mRNA. For achievements in the same field, the professor received the Sharon Donsky and the Israeli Association of Gastroenterology and Hepatology awards.

Prof. Dr. Mehmet Sait Buğdacı is a highly experienced physician specializing in Internal Medicine and Gastroenterology. He completed his medical education and specialty training at Istanbul University Cerrahpaşa Faculty of Medicine and Şişli Etfal Training and Research Hospital. His clinical interests include gastrointestinal diseases, endoscopic procedures, and clinical research. He has contributed to medical education through numerous scientific publications and textbooks and currently sees patients at Central Hospital.

Areas of Interest • Pediatric gastrointestinal surgery • Anorectal malformations and motility disorders • Minimally invasive pediatric surgery • Pediatric colorectal and pelvic floor disorders

Key facts and achievements

• - More than 20 years of experience in the treatment of complex pathologies of the brain using Gamma Knife radiosurgery , including functional disorders and tumor diseases.
• -Works in a team with Dr. Roberto Martinez Alvarez , a world-leading neurosurgeon and Gamma Knife specialist, providing a unique multidisciplinary approach to patient care.
• - International experience : Studied and collaborated with leading global institutions, including the Gregorio Marañon in Madrid and the Gustave Roussy Institute in Paris.

Specialization

• More than 7,000 patients have been treated in the Radiosurgery Department, including:
• - Benign tumors : meningiomas, schwannomas, pituitary adenomas.
• - Malignant pathologies : brain metastases and CNS tumors.
• - Vascular pathologies : arteriovenous malformations, cavernomas and fistulas.
• - Functional disorders : refractory epilepsy, tremor, trigeminal neuralgia and obsessive-compulsive disorder.

Scientific and professional activities

• - Member of the international Gamma Knife Consortium , led by the University of Pittsburgh .
• - Author of scientific research and protocols for the treatment of cancer using radiotherapy.
• - Participated in the development of the innovative project "Fusion of Medical Images" as part of oncology research.

Experience

2002-present | Attached to the Department of Gamma Radiosurgery and Functional Neurosurgery of Ruber International Hospital.

2002-2007 | Assistant, Department of Radiation Oncology, Ruber International Hospital.

2002| Medical Affairs Manager Medical Department Janssen-Cilag, SA Madrid

Qualification

2012|Doctor of Medicine and Surgery Madrid. Department of Surgery, Autonomous University of Madrid. Spain

2001 | Specialist in Radiation Oncology at the Gregorio Marañón University Hospital in Madrid. Training completed at the Gustave-Roussy Institute in Paris in 2000.

1995 | Graduate of the Faculty of Medicine and Surgery, Complutense University of Madrid. Spain.

2016-present | Member of the Ruber International Hospital Gamma Knife Radiosurgery Team, International Gamma Knife Consortium: Led by the Pittsburgh Hospital.

1999-2000| Project Manager: "Protocol for Pamidronate Treatment of Breast Cancer Patients with Predominantly Lytic Bone Metastases"

1999 | GICOR Study: "Incidence of Anemia in Patients Receiving Radiation Therapy"

1999 | GICOR study: "Androgen deprivation protocol associated with radiation therapy for localized high-risk prostate cancer"

1997-2001|Participant (collaborator) in the research project (FIS FELLOWSHIP): "Multimodal fusion of medical images in oncology" at HGU Gregorio Marañon. Project leader: Dr. Desco Menéndez.

Teaching :

2018-present|Professor of the International Master of Radiosurgery of the Central Nervous System at the Complutense University of Madrid.

2020-present|Professor at the School of Radiosurgery of the Spanish Society of Neurosurgeons.

2017-2019|Professor of the Master of Radiosurgery and Clinical Stereotactic Radiotherapy of the Spanish Society of Radiation Oncology.

2017 - 2022| Member of the Dissertation Committee in Radiosurgery three times at the Autonomous University of Madrid and the Complutense University of Madrid.

2011-2012|Professor, International Master's Program in Advanced Technological Applications in Radiation Oncology, 3rd ed.

2001-2002|Associate Professor of Dentistry at the Alfonso X El Sabio University.

1998 - 2001|Professor of the secondary school I.E. Technical and vocational school of health K.A.M. (Radiation oncology technicians and archival technicians).

Publications

2022|Stereotactic radiosurgery of obsessive-compulsive disorders. Chapter. 25. Book: Intracranial stereotactic radiosurgery. ed. 2022. Pages: 251-256.

2022|Active monitoring and stereotactic radiosurgery provide a low risk of symptoms associated with incident frontobasal meningioma, but stereotactic radiosurgery provides better radiological control – a subanalysis of the IMPASSE trial. Cancers 2022; 14(5).1300. https://doi.org/10.3390/cancers14164047

2022|Stereotactic radiosurgery for Kuss grade IV vestibular schwannoma: a multi-institutional study. Journal of Neurosurgery. 2022 Jun 3; DOI: 10.3171/2022.4.JNS22203.

2022|Stereotactic radiosurgery for Rathke's cleft cyst: an international multicenter study. J Neurosurg 137: 1041–1046, 2022. DOI: 10.3171/2021.12.JNS212108.

2021|Surgery and radiosurgery in autism: a retrospective study on 10 patients. Stereotactic Function Neurosurgery. 2021;99(6):474–483. 15.

Presentations

2019| "Other indications in malignant tumor pathology" Cranial Radiosurgery Conference. Valencia 2019.

2018| Gamma Knife Radiosurgery: Concept, Equipment and Treatment Description I Scientific Conference on Gamma Knife Radiosurgery, Madrid, 2018

2018|Radiotherapy and protons in children. XX meeting of the SENEC Working Group on Neuro-Oncology:. Madrid.

2015| "Visualization monitoring of response and complications of brain treatment". XVIII National Congress of S.E.O.R. Valencia

2015 | Gamma Knife Radiosurgery in the Treatment of Refractory Epilepsy Associated with Nodular Heterotopia: Long-Term Safety and Efficacy. Congress of the Spanish Society of Neurology.

Communities it belongs to:

-SER, Spanish Society of Radiosurgery (she currently serves on the Board of Directors as Treasurer)

-SEOR, Spanish Society of Oncological Radiotherapy: Working Groups "Brain Tumors (NEUROONCOR)" and "Radiation Oncology Activities in the Private Sector"

-SSRI, International Society for Stereotactic Radiosurgery

- Member of the Oncology Group of the Spanish Society of Neurosurgery (SENEC).

Dr. Nuria Martínez Moreno , working in tandem with Dr. Roberto Martínez Álvarez, combines expert oncology knowledge and high-precision radiosurgery technology , providing patients with the most advanced and effective treatment in Spain.

Dr. Abu Shamsiya Rami Nuamanovych is a specialist in general and laparoscopic surgery, oncology, and ultrasound diagnostics. He is a Candidate of Medical Sciences, an associate professor, and a doctor of the highest category. Dr. Nuamanovych is a member of the Ukrainian Association of Bariatric Surgeons and the World Organization of Bariatric Surgeons (IFSO).

He works as a WHO consultant on laparoscopic surgery. He is also President of the Association of Arab Doctors of Ukraine. Dr. Nuamanovych has performed thousands of surgeries, including hernia repairs, bariatric procedures, and cancer operations. His skills are recognized internationally. He speaks English and Arabic fluently.

Dr. Hilmi Apak is a respected pediatric hematology-oncology specialist with more than 21 years of experience. He is trained in pediatric oncology. Dr. Apak has led advanced treatments, including bone marrow transplantation, leukemia chemotherapy, and CAR T-cell therapy.

He has published 75 international medical articles, showing his strong contribution to pediatric oncology research. Dr. Apak has worked as assistant editor for the Turkish Pediatrics Archives Periodical. He has also held important academic and leadership positions, such as Head of Pediatric Hematology-Oncology at Istanbul University-Cerrahpaşa.

Surgical treatment: all types of operations in urology.

General management of the medical service. Polyclinic reception of patients. Participation in councils. "Second opinion" in difficult cases, expert assessment of clinical situations. Organization and holding of master classes, workshops, webinars.

Techniques that the doctor possesses:

TUIP of the prostate and TOIP of the formations of the urinary bladder.

Laser enucleation of the prostate, laser dissection of bladder tumors.

Laser vaporization of the prostate gland.

Laser incision of urethral strictures

Contact laser uretero- , pyelo- and cystolithotripsy

Percutaneous (mini) nephrolithotripsy

Intrarenal retrograde and antegrade surgery (RIRS and AIRS) Operation Boari.

Plastic surgery of the urethra in case of injury or stricture

Transvesical access prostatectomy

Cystostomy - open and trocar

Nephrostomy

Radical nephrectomy (including laparoscopic)

Suturing of the rupture of the kidney

Pyelolithotomy

Ureterolithotomy

Pelvic-ureteral plastic surgery (laparoscopic)

Removal of kidney cysts (Cystectomy) (laparoscopic)

Ureterocystoneostomy

Ureterocutaneostomy

Operations for intra-abdominal and retroperitoneal ruptures of the urinary bladder

Orchectomy

Epididymectomy

Bergmann and Winckelmann operations

Revision of organs of the portico due to injuries and inflammatory diseases

Operation of Ivanisevich and Marmar for varicocele, circumcision, percutaneous nephrostomy, nephrolithotripsy

Puncture of kidney cysts

Dr. Elnur Sahibov is a licensed Radiation Oncologist with 8 years of medical training and clinical experience. He completed his undergraduate and specialization studies at Marmara University Faculty of Medicine. From 2012 to 2016, he focused on advanced radiation oncology techniques.

Dr. Sahibov is known for his expertise in cancer treatment. He has helped improve patient outcomes and uses evidence-based protocols. He is accredited by leading medical institutions and is dedicated to ongoing professional development in oncology.

Dr. Raj Nagarkar is a leading Surgical Oncologist with 19 years of experience. He has performed over 50,000 cancer surgeries. His main focus areas are Breast and Thoracic Surgical Oncology. He is involved in more than 200 clinical trials and has contributed to many national and international publications.

Dr. Nagarkar trained in Surgical Oncology at Tata Memorial Hospital, Mumbai. He also holds an MRCS from the Royal College of Surgeons, Edinburgh. He teaches DNB Superspecialty Surgical Oncology and Breast Surgery at Maharashtra University of Health Sciences. Dr. Nagarkar is dedicated to improving the quality of life for his patients.

Dr. Itir Sirinoglu Temiz is a Professor of Hematology. She specializes in lymphoma, acute and chronic leukemias, multiple myeloma, thrombocytopenias, thrombosis, anemia, and bone marrow failure. She graduated with honors from Istanbul University Cerrahpaşa Faculty of Medicine. She completed her hematology training at Dr. Abdurrahman Yurtarslan Oncology Education and Research Hospital.

Dr. Sirinoglu Temiz has held key academic and administrative positions. She served as Head of Internal Medicine at IAU Faculty of Medicine. She was also Education and Administrative Manager at SBÜ Bakırköy Dr. Sadi Konuk EAH Hematology Clinic. She has broad experience in adult hematology, stem cell transplantation, and therapeutic apheresis. She currently practices at Liv Hospital.

Dr. Lalit Banswal is an experienced oncological surgeon with 10 years in the field. He has performed more than 10,000 major surgeries. He earned his MBBS from MIMER, Pune, and completed his MS at GMC Panaji. He also completed a fellowship in Surgical Oncology at Tata Medical Centre, Kolkata, with a focus on gastrointestinal cancers.

Dr. Banswal has worked as a Co-principal Investigator in several research projects. He has published his work in both national and international journals. He is known for his patient-friendly and ethical approach. His main expertise is in Minimal Invasive Cancer Surgeries, where he consistently delivers excellent results.

Dr. Shaunak Valame is an MD in Internal Medicine and holds a DNB in Medical Oncology. He received advanced training at Indraprastha Apollo Hospital in New Delhi. He also worked as a Registrar at Jawaharlal Nehru Cancer Hospital in Bhopal. Dr. Valame has presented his research at international forums, including the Gastrointestinal Cancer Symposium in San Francisco.

He is known for his work in targeted cancer therapies. He has given lectures at the International Winter School of Oncology at AIIMS Bhopal. Dr. Valame is accredited by the American Society of Clinical Oncology. He is committed to advancing cancer research and clinical care.

Dr. Blanca Lopez Ibor is an experienced specialist in children’s hematology and oncology from Spain. She is a lecturer at the Universidad Complutense de Madrid and Universidad CEU San Pablo, and is a consultant for the WHO and UNESCO. Dr Lopez Ibor has over 30 years of experience diagnosing and treating hematological and cancer disorders in children. She is also the head of two foundations that help children with severe health problems.

Dr. Erkancakir is a specialist in pediatric chest diseases. He has experience with acute and chronic respiratory problems, respiratory tract infections, and bronchoscopic procedures. His areas of focus include asthma, sleep-related breathing disorders, cystic fibrosis, and tuberculosis.

He completed his medical degree at Istanbul University. He continued his specialty training at Göztepe Training and Research Hospital and Marmara University. Dr. Erkancakir has worked at leading institutions, such as Bezmialem Vakıf University and Süreyyapaşa Chest Diseases Training and Research Hospital.

He is an active member of several professional organizations, including the Turkish Thoracic Society and the European Respiratory Society. Dr. Erkancakir has received more than 20 national and international awards for his research and presentations, especially in pediatric pulmonology and cystic fibrosis.

Areas of Interests

• MR Linac
• Three Dimensional Brachytherapy
• Four Dimensional (4D) Radiotherapy
• Stereotactic RT & IMRT
• Breast Cancer, Gynecological Cancers
• Head – Neck Cancers
• Urological Tumors, Gastrointestinal Cancers
• Lung Cancer
• Central Nervous System Tumors & Metastases
• Skin Cancers
• Soft Tissue Tumors

Education:

• Istinye University Medical Faculty, Professor Doctor (2017 – Continued)
• Istine University Medical Faculty Associate Professor Doctor (2016 – 2017)
• Liv Hospital Radiation Medicine Center, Tbilisi, Georgia, Radiation Oncology Consulting Docor (2016 – 2019)
• Liv Hospital, Radiation Oncology (2015 – Continued)
• Istanbul University Oncology Institution, Associate Professor (2012 – 2015)
• Stereotactic Radiotherapy, Thoracic Oncology, University of North Carolina, NC, USA (2010 – 2011)
• Kocaeli University Radiation Oncology Department, Associate Professor Assistant (2006 – 2009)
• GATA Radiation Oncology Department, Specialist Doctor, Reserve Officer (2004 – 2005)
• Istanbul University, Medical Faculty, Dr.R.A. (1999 – 2004)
• Istanbul University, Medical Faculty, Under-Graduate (1993 – 1999)
   

Experience:

• Istinye University Medical Faculty
• Liv Hospital Ulus
• Istanbul University Oncology Institution
• University of North Carolina, NC, USA
• Kocaeli University Medical Faculty
• Istanbul University, Medical Faculty

Dr. Ahmer Arif Shaikh, MDS (Oral & Maxillofacial Surgery), is a specialist in Surgical Oncology. He has 3 years of experience at HCG Manavata Cancer Centre, Nashik. He focuses on oral cancer treatment, organ preservation, and functional rehabilitation for oral cancer patients.

Dr. Shaikh has completed a Fellowship in Head & Neck Surgical Oncology. He is skilled in complex maxillofacial and head & neck surgeries. He is also an active researcher with several publications in reputed journals. His work shows a strong commitment to improving cancer care.