Definition of transsphenoidal surgery - NCI Dictionary of Cancer Terms

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transsphenoidal surgery (TRANS-sfee-NOY-dul SER-jeh-ree)

A type of surgery in which instruments are inserted into part of the brain by going through the nose and the sphenoid bone (a butterfly-shaped bone at the base of the skull). Transsphenoidal surgery is used to remove tumors of the pituitary gland.

Previous Definitions:	transperineal biopsy, transplant surgeon, transplantation, transrectal biopsy, transrectal ultrasound
Next Definitions:	transurethral biopsy, transurethral needle ablation, transurethral radiofrequency ablation, transurethral resection, transurethral resection of the prostate