1. Metastatic brain tumor : Causes, incidence, and risk factors  (Trust Mark: Doctor-Reviewed)
Many tumor or cancer types can spread to the brain, the most common being lung cancer, breast cancer, melanoma, kidney cancer, bladder cancer, certain sarcomas, testicular and germ cell tumors, and a number of others. Some types of cancers only sp...• Reviewer: James R. Mason, MD, Oncologist, Director, Blood and Marrow Transplantation Program and Stem Cell Processing Lab, Scripps Clinic, Torrey Pines, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

2. Brain tumor - children : Causes, incidence, and risk factors  (Trust Mark: Doctor-Reviewed)
The cause of primary brain tumors is unknown. Primary brain tumors may be: Located in only a small area; Invasive (spread to nearby areas; Benign (not cancerous; Malignant (cancerous. Brain tumors are classified depending on the exact site of the ...• Reviewer: James R. Mason, MD, Oncologist, Director, Blood and Marrow Transplantation Program and Stem Cell Processing Lab, Scripps Clinic, Torrey Pines, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.