Table 1.

Summary of 51 Surgical Cases and Surgical Maneuvers under the Side-Viewing Endoscope

Pathology and Surgical Maneuver	Category of the Endoscopic Procedure	No. of Cases
Schwannoma (vestibular)
Fundus inspection and additional tumor removal	2	12
Schwannoma (jugular foramen)
Additional removal of the intraforaminal portion	2	3
Pituitary adenoma/Rathke's cyst/craniopharyngioma
Tumor removal along the cavernous sinus and diaphragma sellae	1	15
Meningioma (tuberculum sellae)
Additional tumor removal from the optic canal and tuberculum sellae	2	4
Chordoma (clivus)
Tumor removal through the transsphenoidal/transoral/transbasal route	1	4
Meningioma (petroclival)/adenoid cystic carcinoma (CP angle)
Tumor removal from Meckel's cave	2	2
Dermoid/epidermoid cyst/amyloidoma
Tumor removal behind the cranial nerves/cerebral peduncle	4	7
Schwannoma (extracranial compartment)
Tumor removal beyond the bony hindrance of the skull base bone	3	4
Total		51