Sign up for free

Newsletters

Once a month
get new photos
and expert tips.

Science and Space
Main Health and Human Body Earth Space Prehistoric World A-Z

Brain Tumor Removal

Skillful surgeons at UCLA Medical Center in Los Angeles, California, remove a tumor from a woman's brain. Malignant tumors indicate often lethal brain conditions, but even nonmalignant growths can preempt normal brain activity. Any tumor may compress regions of the brain and increase internal pressure, upsetting the organ's delicate functional balance.

Photograph by Cary Wolinsky