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- Shigeo Ohba, Kazunari Yoshida, Ichiro Sugiyama, Eiji Ikeda, and Takeshi Kawase.
- Department of Neurosurgery, Keio University School of Medicine, Tokyo, Japan. shigeo.ohba@gmail.com
- Neurol. Med. Chir. (Tokyo). 2011 Jan 1; 51 (9): 671-2.
AbstractA 69-year-old male presented with a rare dural cyst manifesting as numbness and pain in the limbs. Magnetic resonance imaging revealed a mass anterior to the medulla oblongata appearing as low intensity on T(1)-weighted and high intensity on T(2)-weighted imaging, with no enhancement. A cystic lesion ventral to the medulla oblongata was removed via the lateral suboccipital transcondylar approach. Histological examination showed the wall of the cyst consisted of fibrous connective tissue with a dense zone and a loose zone, similar to the structure found in the dura mater. The lesion was diagnosed as dural cyst. Dural cysts can be defined as cyst with the wall consisting of dura mater-like fibrous tissue, and attached to the dura mater. The origin of the present dural cyst was considered to be congenital.
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