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Related Experiment Video

Updated: Jul 18, 2026

Exploring Deep Space - Uncovering the Anatomy of Periventricular Structures to Reveal the Lateral Ventricles of the Human Brain

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Published on: October 22, 2017

Solid-calcified colloid cyst of the third ventricle.

U Türe¹, T Hiçdönmez, I Elmaci

¹Department of Neurosurgery, Marmara University School of Medicine, Marmara University Institute of Neurological Sciences, P.K. 53 Basibüyük, 81532 Maltepe, Istanbul, Turkey. ugurture@turk.net

Clinical Neurology and Neurosurgery

|April 20, 2001

Summary

A rare solid-calcified colloid cyst in the third ventricle was successfully removed. The anterior transcallosal-transforaminal surgical approach preserved neural and vascular structures.

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Area of Science:

Neurosurgery
Neuropathology

Background:

Colloid cysts are typically benign intracranial tumors.
Third ventricle colloid cysts can cause obstructive hydrocephalus.
Solid-calcified colloid cysts are exceptionally rare.

Observation:

A 65-year-old female presented with a third ventricle lesion.
Computed tomography (CT) and magnetic resonance imaging (MRI) revealed a solid-calcified colloid cyst.
The cyst was located in the third ventricle.

Findings:

The solid-calcified colloid cyst was surgically excised.
The anterior transcallosal-transforaminal approach was utilized.
Complete preservation of surrounding neural and vascular structures was achieved.

Implications:

This case highlights a rare presentation of a colloid cyst.
The anterior transcallosal-transforaminal approach is a viable option for third ventricle lesions.
Successful surgical resection with preservation of critical structures is achievable.