Bilateral retro-auricular dermal sinus tracts with intradural extension. Case report.

Abstract:

:The authors describe a previously unreported malformation involving paired, bilaterally symmetrical dermal sinus tracts in the retro-auricular area, both of which passed through the asterion and posterior fossa dura mater to end intracranially. Cranial dermal sinus tracts are congenital lesions that virtually always originate from the midline scalp posteriorly at the external occipital protuberance, anteriorly at the nasion or along the nasal dorsum, or in the posterior parietal midline. A lateral origin is extremely rare, and intracranial extension of a lateral dermal sinus tract has not been reported previously. The authors propose an embryological mechanism to explain the origin of this rare malformation and discuss its management.

journal_name

J Neurosurg

journal_title

Journal of neurosurgery

authors

Nejat F,Dias MS,Eftekhar B,Roodsari NN,Hamidi S

doi

10.3171/jns.2003.99.1.0163

subject

Has Abstract

pub_date

2003-07-01 00:00:00

pages

163-6

issue

1

eissn

0022-3085

issn

1933-0693

journal_volume

99

pub_type

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