hemispherectomy

English

Etymology

From hemisphere + -ectomy.

Noun

hemispherectomy (plural hemispherectomies)

1. (neurosurgery) Surgical removal of a hemisphere (i.e., one-half) of the brain, usually performed to control otherwise uncontrollable epilepsy.

   So Lacy's parents had brought her to Johns Hopkins for a hemispherectomy, which is probably the most radical procedure in neurosurgery. -- Christine Kennelly, The New Yorker, July 3, 2005, p.36.