1. Another Genetic Link to Testicular Cancer Is Found - US News and World Report
Discovery may help explain why disease runs in families

2. Researchers Spot Genes Linked to Testicular Cancer - US News and World Report
Discovery could help determine which men are at increased risk, scientists say

3. Testicular cancer : Causes, incidence, and risk factors  (Trust Mark: Doctor-Reviewed)
The exact cause of testicular cancer is unknown. There is no link between vasectomy and testicular cancer. Factors that may increase a man's risk for testicular cancer include: Abnormal testicle development; History of testicular cancer; History o...• Reviewer: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.