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glioneuronal heterotopia

Sunday 28 January 2007

Definition: aberrantly localized CNS tissue.

Tissue and cellular elements generally attributed to the central nervous system (CNS) are infrequently found in areas outside the CNS proper.

Most of these lesions contain predominantly glial tissue. In rare instances, heterotopic CNS tissue is found in the scalp, many associated with an intracranial connection and overlying skin and hair anomalies.


- Ozolek JA, Losee JE, Lopes TC, Galambos C. Temporal soft tissue glioneuronal heterotopia in a child with a seizure disorder: case report and review of the literature. Pediatr Dev Pathol. 2005 Nov-Dec;8(6):673-9. PMID: 16211445