=====Interdural dermoid cyst=====
Interdural [[dermoid cyst]]s (DCs) of the [[cavernous sinus]] (CS), located between the outer (dural) and inner layer (membranous) of the CS lateral wall, are rare lesions in children. 

====Case reports====
A 5-year-old boy with [[third cranial nerve palsy]] and [[exophthalmos]] who underwent [[gross total resection]] of an interdural DC of the right CS via a [[frontotemporal approach]]. The patient had a good outcome and no recurrence at the 12-month follow-up. This is the second pediatric case of interdural DC described in the literature
((Giordano F, Peri G, Bacci GM, Basile M, Guerra A, Bergonzini P, Buccoliero AM,
Spacca B, Iughetti L, Donati P, Genitori L. Interdural cavernous sinus dermoid
cyst in a child: case report. J Neurosurg Pediatr. 2016 Dec 9:1-7. [Epub ahead of
print] PubMed PMID: 27935468.
)).