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Intracranial epidermoid cyst: case report.

Simone Ulivieri¹, Giuseppe Oliveri, Giuseppe Filosomi

¹Department of Neurosurgery, "Santa Maria alle Scotte" Hospital, 53100 Siena, Italy. simone.ulivieri@tiscali.it

Annali Italiani Di Chirurgia

|April 10, 2009

Summary

Intracranial epidermoid cysts are rare brain tumors. This case report details an unusual epidermoid cyst in the temporal lobe and interpeduncular cistern, discussing its development and surgical treatment.

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Published on: May 23, 2025

Area of Science:

Neurosurgery
Neuropathology

Background:

Intracranial epidermoid cysts represent 0.2-1.8% of all brain tumors.
These cysts are typically categorized into four main types based on their location: retrosellar-cerebellopontine angle, parasellar-sylvian fissure, suprasellar-chiasmatic, and basilar-posterior fossa.

Observation:

This study presents a rare case of a pre-pontine epidermoid cyst.
The cyst originated unusually within the temporal lobe and extended into the interpeduncular cistern.

Findings:

The case highlights an atypical presentation and location for an intracranial epidermoid cyst.
Surgical management strategies for this specific cyst location are explored.

Implications:

Understanding rare epidermoid cyst presentations is crucial for accurate diagnosis and surgical planning.
This case contributes to the literature on the diverse anatomical locations and management of intracranial epidermoid cysts.