lesionectomyNeurosurgery A popular term for a stereotactic resection of poorly-circumscribed intra-axial–a region often considered inoperable–brain masses–eg, vascular malformations and glial tumors, identified by MRI that may be associated with epileptiform seizure activity. Cf Lumpectomy.
lesionectomy(lē″zhŏn-ek′tŏ-mē) [ lesion + -ectomy]
Surgical removal of a lesion. In neurosurgery, it is the removal of a structural abnormality in which epileptic seizures are not controlled by medications.