Colloid cysts of the third ventricle exhibit heterogeneous clinical picture
Background: Colloid cysts are rare benign intracranial tumours generally occurring in the front part of the third ventricle. Clinical picture may be non-specific. Various problems are usually associated with hydrocephalus that these cysts may cause.
Methods: Five patients with colloid cyst of the third ventricle were consecutively operated on at our department. All had different clinical pictures. Two patients suffered from acute hydrocephalus, one of them also from rapid deterioration of consciousness. In two patients, the cyst was discovered accidentally owing to non-specific problems. One patient experienced progressive deterioration due to chronic hydrocephalus.
Results: All patients had a colloid cyst removed via the right anterior interhemispheric transcallosal approach. One patient had surgical complication with transient left-sided haemiparesis, followed by osteomyelitis. Postoperative course in all other patients was unremarkable.
Conclusions: Due to a high risk of potential sudden deterioration the colloid cysts may cause, a rapid surgical intervention is generally needed. The anterior interhemispheric transcallosal approach is a well accepted and safe surgical option.
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