Microsurgical Resection of a Left Temporal Stem Cavernous Malformation Through Transsylvian Approach: 2-Dimensional Operative Video.

Cavernous malformations (CMs) are rare, often oligosymptomatic vascular lesions. Common manifestations include seizures and focal neurological deficits. Depending on the symptoms, location, size, and risk factors of bleeding, such as the presence of a developmental venous anomaly, the injury can be highly morbid.

Endoscope-Controlled Microsurgery of a Ruptured Middle Fossa Arachnoid Cyst.

Arachnoid cysts are responsible for 1% of expansive lesions in the central nervous system. Usually, they do not cause neurologic symptoms unless they have expansion or hemorrhage. Intracystic bleeding is caused by trauma or may be spontaneous.