Epidermoids: Clinical Evaluation and Surgical Results

Grant, Francis C.; Austin, Garth E.

doi:10.3171/jns.1950.7.3.0190

Cited by 85 publications

(31 citation statements)

References 8 publications

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“…ECs can be seen anywhere in the central nervous system, comprising between 0.5 and 1% of all primary intracranial tumors [1][2][3]. Typically occurring between the ages of 20 and 60 years old, with a peak incidence in the fourth decade of life, ECs show no gender predilection [13].…”

Section: Natural History Incidence and Locationmentioning

confidence: 99%

“…Intracranial ECs are well-delineated cysts that insinuate along CSF cisterns [34]. Ninety percent of lesions are intradural, with 40-50% found in the cerebellopontine angle cisterns [1,[4][5][6], and 10-15% in the supra-and parasellar regions and middle cranial fossa [34]. Rarely ECs can be found in intraventricular locations [35], or in the cerebral hemispheres or brain stem [4,6,21].…”

Section: Natural History Incidence and Locationmentioning

confidence: 99%

“…As rare benign lesions of developmental origin, they are supposed to arise from the germinal layer [4]. ECs usually spread across the basal surface of the brain [5], the cerebellopontine angle, and the parasellar regions [1,[4][5][6]. In the English literature the occurrence of supratentorial dorsal cistern ECs has been described in 41 cases to date [1,2,4,.…”

Section: Introductionmentioning

confidence: 99%

“…Epidermoid cysts (ECs) are rare, slowly growing congenital lesions, accounting for 0.5-1% of all intracranial tumors [1][2][3]. As rare benign lesions of developmental origin, they are supposed to arise from the germinal layer [4].…”

Section: Introductionmentioning

confidence: 99%

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Supratentorial Dorsal Cistern Epidermoid Cyst in Childhood

Caruso

Germanò²,

Caffo³

et al. 1998

Pediatr Neurosurg

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Epidermoid cysts (ECs) are rare developmental lesions occurring anywhere along the central nervous system. Usually affecting adult patients, the occurrence of supratentorial dorsal cistern ECs has been reported in only 1 certain case of pediatric age. An additional pediatric case is presented. An 11-year-old boy had an 8-year history of petit mal seizures. Neurologic examination on admission was negative. T1-weighted magnetic resonance images demonstrated homogenous, hypointense, intradural, extracerebral, right frontal, precentral, parasagittal mass with relatively high signal intensity on T2-weighted images. The lesion was completely removed using a microneurosurgical technique with special care taken with regard to the adjacent nervous and vascular structures. Histologically, an EC was diagnosed. The patient had no recurrence for 2 years and seizures were significantly reduced. This case suggests the need to include ECs in the differential diagnosis of intradural supratentorial extracerebral lesions in childhood.

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Section: Natural History Incidence and Locationmentioning

confidence: 99%

Section: Natural History Incidence and Locationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Supratentorial Dorsal Cistern Epidermoid Cyst in Childhood

Caruso

Germanò²,

Caffo³

et al. 1998

Pediatr Neurosurg

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“…4,24,31,43,45 The proliferation of pluripotent embryonic remnants along the otic and optic cerebral vesicles can explain the occurrence of the majority of cranial epidermoids either in Cerebello pontine angle (CPA) or sellar areas. 4,14,24,43 Migration of embryonic ectodermal remnants along the Virchow-Robin spaces around the brain microvasculature. 11,13,43 This hypothesis can explain the occurrence of intrinsic brain stem epidermoid tumors even in the later part of the life.17,43,45 Ziyal et al 45 reported that the tumor extends from the cisternal space into the brain stem, and is usually demonstrated as an exophytic lesion in the ventral brain stem cisterns.…”

Section: Pathogenesis and Rationale For The Classifi Cationmentioning

confidence: 99%

Pure Intrinsic brain stem epidermoid cyst: Case report, review of the literature and new classification

Teegala

2017

Nep J Neurosci

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Epidermoid cysts are one of the uncommon slow growing lesions. There is some amount of controversy prevailing in the uniform understanding of these among the researchers regarding the nomenclature of these lesions. With a critical review of reported cases, author demarcated four different anatomical types of brain stem epidermoids and proposed a new classification system for a better understanding of the natural history.Four years female child presented with insidious onset left sixth and seventh cranial nerve palsy with right hemiparesis. Radiological evaluation revealed a pure intrinsic brain stem cystic lesion. Surgical decompression of the cyst was done, and the child recovered well. Histopathological examination was an epidermoid cyst.Brain stem epidermoids are uncommon, and there is no age or sex predilection. Based on the epicenter these tumors could be classified into four different types. Adequate surgical excision is the hallmark in the treatment. Nepal Journal of Neuroscience, Volume 14, Number 3, 2017, page: 33-41

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