Intradiploic epidermoid cyst overlying the torcula: a surgical challenge

Khan, Amad; Khalid, Salema; Enam, Syed Ather

doi:10.1136/bcr.08.2010.3245

Cited by 8 publications

(10 citation statements)

References 11 publications

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“…Epidermoid cysts can occur throughout the neuroaxis, most commonly in the cerebellopontine angles (40–50%) and the parasellar region [ 1 ]. Conversely, atypical epidermoid cysts are rare, with intra-axial epidermoid cysts accounting for less than 1.5% of all intracranial epidermoid cysts [ 3 ] and intradiploic epidermoid cysts (including congenital cholesteatomas) accounting for ~3% [ 4 , 5 ]. Previous case reports have found that 80% of reported intraparenchymal epidermoid cysts involve the frontal and temporal lobes [ 3 ] and occasionally the pineal gland [ 6 ] or the brainstem [ 7 ].…”

Section: Discussionmentioning

confidence: 99%

“…Current debate is ongoing regarding the optimal treatment for an epidermoid cyst. On the one hand, gross total resection of epidermoid cysts offers a definite treatment with prevention of its occurrence or aseptic meningitis [ 5 ]. Conversely, epidermoids are often located in close proximity to neurovasculature and vital brain parenchyma, and thus a conservative resection can be considered given the slow growing nature of this tumour, with a linear growth rate similar to normal epithelial cells (~one generation per month) [ 14 ].…”

Section: Discussionmentioning

confidence: 99%

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Atypical Intracranial Epidermoid Cysts: Rare Anomalies with Unique Radiological Features

Law

Lee

et al. 2015

Case Reports in Radiology

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Epidermoid cysts are benign slow growing extra-axial tumours that insinuate between brain structures, while their occurrences in intra-axial or intradiploic locations are exceptionally rare. We present the clinical, imaging, and pathological findings in two patients with atypical epidermoid cysts. CT and MRI findings for the first case revealed an intraparenchymal epidermoid cyst that demonstrated no restricted diffusion. The second case demonstrated an aggressive epidermoid cyst that invaded into the intradiploic spaces, transverse sinus, and the calvarium. The timing of ectodermal tissue sequestration during fetal development may account for the occurrence of atypical epidermoid cysts.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Atypical Intracranial Epidermoid Cysts: Rare Anomalies with Unique Radiological Features

Law

Lee

et al. 2015

Case Reports in Radiology

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“…Os cistos epidermoides representam entre 0,2 a 1,8% dos tumores intracranianos 34 . Em 25% dos casos tem localização intradiploica 1,4,9,11,21,23,26,34 . A localização intradiploica ocorre principalmente nos ossos occipital, frontal e parietal 8,26 .…”

Section: Discussionunclassified

“…A localização craniana apresenta evolução lenta, geralmente assintomática, podendo apresentar cefaleia de leve intensidade 13 . Cursa na sua evolução com uma proeminência ao nível do osso acometido, sendo indolor à palpação superficial 21 . Ocasionalmente pode apresentar sintomas neurológicos focais ao longo do desenvolvimento por compressão de estruturas neurais adjacentes 13,19,25,26 .…”

Section: Discussionunclassified

Cisto Epidermoide Intradiploico Gigante Localizado na Fossa Posterior

Esmeraldo¹,

Barcellos²,

Pereira³

et al. 2018

jbnc

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O cisto epidermoide é um tumor congênito benigno e originário do ectoderma. Ocorre na terceira e quinta década de vida. Corresponde aproximadamente a 0,2 a 1,8% dos tumores intracranianos. A forma de cisto epidermoide intradiploico é considerada rara. Ocorre mais nos ossos occipital, parietal e frontal. Raramente apresenta degeneração maligna. O tratamento ideal é exérese total e cursa com bom prognóstico. Os autores descrevem um caso de cisto epidermoide intradiploico gigante localizado no osso occipital, associado à síndrome cerebelar, submetido à exérese total, apresentando bom prognóstico

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“…Current debate is ongoing regarding the optimal treatment for an epidermoid cyst. On the one hand, gross total resection of epidermoid cysts offers a definite treatment with prevention of its occurrence or aseptic meningitis (7). Conversely, epidermoid is often located in close proximity to neurovasculature and vital brain parenchyma, and thus a conservative resection can be considered given the slow growing nature of this tumor, with a linear growth rate similar to normal epithelial cells (one generation per month)(3).…”

Section: Discussionmentioning

confidence: 99%

Epidermoid cyst in Anterior, Middle & Extension of Posterior cranial fossa: rare Imaging with review of literature

Kankane¹,

Jaiswal²,

Gupta³

2016

Romanian Neurosurgery

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Epidermoid cysts are benign slow growing more often extra-axial tumors that insinuate between brain structures, we present the clinical, imaging, and pathological findings in 35 years old female patients with atypical epidermoid cysts which was situated anterior, middle & posterior cranial fossa. NCCT head revealed hypodense lesion over right temporal and perisylvian region with extension in prepontine cistern with mass effect & midline shift and MRI findings revealed a non-enhancing heterogeneous signal intensity cystic lesion in right frontal & temporal region extending into prepontine cistern with restricted diffusion. Patient was detoriated in night of same day of admission, emergency Fronto-temporal craniotomy with anterior peterousectomy and subtotal resection was done. The histological examination confirms the epidermoid cyst. The timing of ectodermal tissue sequestration during fetal development may account for the occurrence of atypical epidermoid cysts.

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Intradiploic epidermoid cyst overlying the torcula: a surgical challenge

Cited by 8 publications

References 11 publications

Atypical Intracranial Epidermoid Cysts: Rare Anomalies with Unique Radiological Features

Atypical Intracranial Epidermoid Cysts: Rare Anomalies with Unique Radiological Features

Cisto Epidermoide Intradiploico Gigante Localizado na Fossa Posterior

Epidermoid cyst in Anterior, Middle & Extension of Posterior cranial fossa: rare Imaging with review of literature

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