Abstract

An Intracranial epidermoid cyst is a rare congenital anomaly developed because of dysembryoplasia during the third to fifth week of gestation. We describe the unusual epidermal cyst which originating extradurally in internal protuberance in which causes cerebellar brain abscess. Neurosurgical intervention is advocated to prevent the ongoing risk of significant complications. Meticulous care was taken to grossly excised all the pathologic tissue to avoid recurrence.

Highlights

  • An Intracranial epidermoid cyst is a rare congenital anomaly developed because of dysembryoplasia during the third to fifth week of gestation.[1]

  • Epidermoid tumors are called as inclusion tumors because they rise from remnants of epithelial tissue during the neural tube closure at the third and fifth week of developmental stages of a fetus

  • Extradural Intracranial epidermoid cysts were previously reported from several authors

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Summary

Introduction

An Intracranial epidermoid cyst is a rare congenital anomaly developed because of dysembryoplasia during the third to fifth week of gestation.[1]. As the epithelial layer desquamates, the cells accumulate and form a cholesterol-rich inner layer that gives the cyst its characteristic pearly white appearance.[4] Epidermoid tumors are called as inclusion tumors because they rise from remnants of epithelial tissue during the neural tube closure at the third and fifth week of developmental stages of a fetus. These account for 0.2% to 1.8% of all intracranial tumors.[5] Epidermoid cyst was first discovered by an artist in a French medical school in 1807.6 Cruveilhier described the epidermoids as “pearly tumors” and Dandy as “most beautiful tumors of the body”. The patient showed improve cerebellar symptoms and visual acuity, and discharge on day 6 after surgery

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