NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,020 terms related to cancer and medicine.
- transsphenoidal surgery
- listen (TRANS-sfee-NOY-dul SER-juh-ree)
A type of surgery in which instruments are inserted through the nose and sphenoid sinus (a hollow space in a bone in the nose) to remove tumors that are in or near the pituitary gland. The pituitary gland is a pea-sized organ that lies at the base of the brain above the back of the nose.