corpus callosotomy
Pronunciation: KOR-pus kal-oh-SOT-oh-mee
A surgical procedure involving division of the corpus callosum, sometimes performed for tumor resection or seizure control in neuro-oncology patients.
Full Definition
Corpus callosotomy is a neurosurgical procedure that involves the surgical division or sectioning of the corpus callosum, the largest white matter structure connecting the cerebral hemispheres. In neuro-oncology, this procedure may be performed when tumors involve or cross the corpus callosum, particularly in cases of butterfly gliomas or other infiltrative lesions that span both hemispheres. The procedure can also be indicated for seizure control in patients with brain tumors who experience intractable epilepsy. Corpus callosotomy can result in disconnection syndrome, where the two cerebral hemispheres cannot communicate effectively, leading to specific neurological deficits that must be carefully considered in treatment planning.
Usage
Usage note: Distinguish from callosotomy (informal); formal term is corpus callosotomy.
In Context
- "The surgical plan included corpus callosotomy to achieve complete resection of the butterfly glioma crossing the midline." — Surgical planning note
- "Post-operative imaging confirmed successful corpus callosotomy with complete tumor removal and preserved ventricular anatomy." — Post-operative report