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Cisto epidermoide da fossa posterior: relato de caso / Epidermoid cyst of the posterior fossa: a case report
Cambruzzi, Eduardo; Presa, Karinelli; Silveira, Luciano Carvalho; Perondi, Gerson Evandro.
  • Cambruzzi, Eduardo; Universidade Luterana do Brasil. BR
  • Presa, Karinelli; Universidade Luterana do Brasil. BR
  • Silveira, Luciano Carvalho; Hospital Cristo Redentor. Porto Alegre. BR
  • Perondi, Gerson Evandro; Hospital Cristo Redentor. Porto Alegre. BR
J. bras. patol. med. lab ; 47(1): 79-82, fev. 2011. ilus
Article in English | LILACS | ID: lil-578764
ABSTRACT
Epidermoid cysts of the central nervous system are uncommon conditions, which are frequently located in the cerebellopontine angle and around the pons. They are covered with keratinized squamous epithelium and keratin lamella, which give its contents a soft, white-pearly appearance. Epidermoid cysts are mostly originated from malformations, presumably associated with surface elements of the nervous system ectoderm during the closure of the neural groove or formation of secondary cerebral vesicles. The authors describe a case of epidermoid cyst in the posterior fossa causing hydrocephalus and review morphologic and diagnostic criteria of this lesion.
RESUMO
Os cistos epidermoides do sistema nervoso central (SNC) são condições incomuns, estando localizados mais frequentemente no ângulo pontocerebelar e ao redor da ponte. Eles são revestidos por epitélio escamoso queratinizado e lamelas de queratina, tornando seu conteúdo branco-perolado e pastoso. Os cistos epidermoides são, na maioria das vezes, originados de malformações, possivelmente associados ao entremeio de elementos superficiais do ectoderma do SNC durante o fechamento da placa neural, ou formação das vesículas cerebrais secundárias. Os autores descrevem um caso de cisto epidermoide da fossa posterior determinando hidrocefalia e revisam critérios morfológicos e diagnósticos dessa lesão.
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Full text: Available Index: LILACS (Americas) Main subject: Brain Neoplasms / Infratentorial Neoplasms / Cerebellopontine Angle / Central Nervous System Cysts / Epidermal Cyst Limits: Aged / Female / Humans Language: English Journal: J. bras. patol. med. lab Journal subject: Pathology Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Hospital Cristo Redentor/BR / Universidade Luterana do Brasil/BR

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Full text: Available Index: LILACS (Americas) Main subject: Brain Neoplasms / Infratentorial Neoplasms / Cerebellopontine Angle / Central Nervous System Cysts / Epidermal Cyst Limits: Aged / Female / Humans Language: English Journal: J. bras. patol. med. lab Journal subject: Pathology Year: 2011 Type: Article Affiliation country: Brazil Institution/Affiliation country: Hospital Cristo Redentor/BR / Universidade Luterana do Brasil/BR