Microsurgical Outcomes of Third-Ventricle Colloid Cysts Treated via an Interhemispheric Transcallosal Approach: A Single-Center Retrospective Series

Background/objectives

Third-ventricle colloid cysts are benign but can cause obstructive hydrocephalus and sudden deterioration, and the role of microsurgical transcallosal resection in the endoscopic era remains debated. We evaluated clinical, radiological, and functional outcomes of microscope-assisted interhemispheric transcallosal resection and the effect of preoperative hydrocephalus on recovery.