Headache and vomiting for three months.
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There is a heterogeneously enhancing solid mass lesion with some non-enhancing cystic component within the fourth ventricle extruding through the foramen of Magendie into the subarachnoid space inferiorly into the foramen magnum. Foci of dropout signal are noted in the lesion on T2* GRE images representing calcifications. Mild to moderate dilatation of the proximal ventricular system is noted.
Ependymomas are more common in children than in adults. They can occur in any part of the ventricular system, but they mainly develop in the posterior fossa.
Dr. Farhad Farzam has also contributed to this case.
- Qiu,Bo, Wang,Yong, Wang,Wei, Wang,Chao, Wu,Pengfei, Bao,Yijun, Ou,Shaowu, Guo,Zongze, Wang,Yunjie. Microsurgical management of pediatric ependymomas of the fourth ventricle via the trans-cerebellomedullary fissure approach: A review of 26 cases. (2016) Oncology Letters. 11 (6): 4099. doi:10.3892/ol.2016.4507 - Pubmed