Occipital intraosseous dermoid cyst with restricted diffusion on magnetic resonance imaging in a child.

Radiol Case Rep

Department of Radiology and Imaging Sciences, Emory University School of Medicine, 1405 Clifton Rd NE, Atlanta, GA 30322 USA.

Published: February 2018

A 4-year-old girl presented repeatedly with a complicated occipital mass, which was erroneously treated as a pyogenic granuloma. Imaging performed before a planned surgical resection detected an underlying intraoccipital dermoid with a sinus tract to the skin surface and extension into the posterior fossa. This case highlights the value of high-resolution computed tomography imaging for depiction of anatomic details and the value of magnetic resonance imaging for differential diagnosis and surgical management. A comprehensive literature review of intraosseous dermoid cyst and detailed discussion of the differential diagnoses are provided.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5826499PMC
http://dx.doi.org/10.1016/j.radcr.2017.10.021DOI Listing

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