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Epidermoid Cyst
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Epidermoid Cyst: Relatively uncommon benign cysts or tumors that arise from stratified squamous epithelium over the surface of the brain. As the epithelial lining continues to produce the soft white keratin material, the cyst puts pressure on the adjacent brain structures and can cause headaches, weakness, imbalance, visual loss or seizures depending upon the cyst location. Some epidermoid cysts can rupture and result in a meningitis type reaction from inflammation. The most common locations are around the brainstem, pituitary gland and in the posterior fossa along the cerebellum. Large epidermoid tumors causing symptoms are treated by surgical removal which is generally quite successful in resolving symptoms. Learn more.
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