PT  - JOURNAL ARTICLE
AU  - Abrar A. Wani
AU  - Uday S. Raswan
AU  - Nayil K. Malik
AU  - Altaf U. Ramzan
TI  - Posterior fossa ruptured dermoid cyst presenting with hydrocephalus
AID  - 10.17712/nsj.2016.4.20160280
DP  - 2016 Oct 01
TA  - Neurosciences Journal
PG  - 358--360
VI  - 21
IP  - 4
4099  - http://nsj.org.sa/content/21/4/358.short
4100  - http://nsj.org.sa/content/21/4/358.full
SO  - Neurosciences (Riyadh)2016 Oct 01; 21
AB  - Dermoid cysts are rare, benign lesions of embryological origin that represent 0.1-0.7% of all intracranial tumors. They are mainly located in the supra tentorial space, especially in the parasellar region. Their location in the posterior fossa remains uncommon. Rupture of intracranial dermoid cysts is a rare phenomenon. We present a case of dermoid cyst, which had ruptured into ventricular system. Computed Tomography and MRI revealed fat in the fourth ventricle, prepontine cistern, and cerebellomedullary cistern. Hydrocephalus was noted. We performed right ventriculo-peritoneal shunt on which patient improved and he continues to remain asymptomatic one year after.