Beste Hodenprothese Ärzte in Israel - TOP -2 Ärzte

Included in Forbes Israel’s “Best Doctors” List (2025)

Medical Oncologist | Radiotherapist | Director of Cancer Center

Areas of Expertise

Professor Raanan Berger specializes in medical oncology and radiation therapy, with a strong focus on genitourinary cancers and translational research:

Genitourinary Oncology

Advanced treatment of prostate and related cancers

Prostate Cancer

Comprehensive care including systemic therapy and radiotherapy

Oncology & Radiotherapy

Personalized cancer treatment using modern therapeutic approaches

Molecular Oncology Research

Study of prostate and breast tumorigenesis mechanisms

About the Doctor

Professor Raanan Berger is a leading medical oncologist and radiotherapist, serving as the Director of the Cancer Center at Sheba Medical Center.

He also heads the clinical research unit within the Institute of Oncology and Radiotherapy, where he is actively involved in advancing innovative cancer therapies.

Prof. Berger has played a key role in developing a comprehensive patient support program, integrating medical treatment with psychological and social care. This multidisciplinary model ensures that patients and their families receive not only cutting-edge oncology care, but also continuous emotional and supportive guidance throughout the treatment process.

He leads the genitourinary oncology program, with a particular focus on prostate cancer, and runs a basic and translational research laboratory investigating molecular mechanisms involved in prostate and breast cancer development.

Professor Berger is the co-author of over 20 peer-reviewed scientific publications.

Education and Training

MD and PhD, School of Medicine, Tel Aviv University, Israel

Clinical training in Medical Oncology and Radiotherapy, Sheba Medical Center

Postdoctoral fellowship, Dana-Farber Cancer Institute, Harvard Medical School

During his fellowship, Prof. Berger combined clinical work in prostate cancer treatment (in collaboration with Dr. Philip Kantoff) with advanced research in molecular oncology in the laboratory of Dr. William C. Hahn.

Board Certifications

Oncology

Professional Memberships

Member of European Society for Medical Oncology (ESMO)

Member of American Society of Clinical Oncology (ASCO)

Research & Publications

Professor Berger has contributed to important clinical and scientific research, including:

Classification of high-risk vs. very high-risk prostate cancer and its impact on outcomes of radiotherapy and androgen deprivation therapy

Research on inherited mutations in BRCA1 and BRCA2 genes in large international cohorts

Dr. Nir Kleinmann, MD

Director, Endourology & Kidney Stones Unit – Sheba Medical Center

Leading Expert in Minimally Invasive Urology & Urologic Oncology

Dr. Nir Kleinmann is a highly specialized urologist and internationally trained expert in minimally invasive surgery and urologic oncology, with a strong focus on kidney and upper urinary tract diseases.

He currently serves as Director of the Endourology and Kidney Stones Unit at Sheba Medical Center, one of the world’s leading hospitals. Dr. Kleinmann has been recognized among the Best Doctors in Israel for 2025 and 2026 by Forbes and ResultMed, reflecting his clinical excellence and outstanding patient outcomes.

Areas of Expertise

• Urologic Oncology (Key Focus)
  Upper tract urothelial carcinoma (UTUC), kidney cancer, prostate cancer
• Advanced Stone Disease Management
  • Complex kidney and urinary stones
  • Advanced endoscopic and laser-based treatments
• Minimally Invasive & Organ-Preserving Surgery
  • Endoscopic and laparoscopic procedures
  • Precision techniques aimed at faster recovery and reduced complications
• Prostate Health
  Treatment of benign prostate enlargement (BPH)

Innovation & Advanced Treatments

Dr. Kleinmann is a pioneer in kidney-sparing laser surgery, utilizing a unique dual-laser system (neodymium & holmium) to treat complex tumors while preserving the kidney whenever possible.

His approach focuses on:

• Maximizing cancer control while preserving organ function
• Minimizing surgical trauma and recovery time
• Delivering highly personalized, precision-based care

International Training & Expertise

Dr. Kleinmann completed advanced international fellowships at leading institutions:

• Endourology & Minimally Invasive Surgery Fellowship – Thomas Jefferson University
• Kidney Cancer Research Fellowship – McMaster University

Research & Clinical Leadership

Dr. Kleinmann is actively involved in clinical research and innovation, including participation in the OLYMPUS trial, focusing on non-surgical chemoablation treatments for upper tract urothelial carcinoma.

He has authored 60+ scientific publications, contributing to advancements in:

• Urologic oncology
• Endourology and stone disease
• Minimally invasive treatment approaches
•  

Professional Memberships & Certification

• Israeli Board-Certified Urologist
• Fellow, American Endourology Society
• Member of:
  • Israeli Urological Association
  • European Association of Urology (EAU)

Dr. Kleinmann is dedicated to providing advanced, personalized care, combining international expertise, innovative technology, and a minimally invasive approach to achieve the best possible outcomes while preserving quality of life.