Субдуральные интра-, паракистозные кровоизлияния на фоне арахноидальных кист средней черепной ямки

This article describes three clinical cases of relative unusual occurrence - subdural intra- or paracystic hemorrhage at patients with arachnoid cyst of middle cranial fossa. We examined 45 patients with arachnoid cyst of middle cranial fossa and noted such subdural intra- or paracystic hemorrhage only at 6,7% of cases. All patients were male and at relatively young age (10, 30 and 26 years old). The hemorrhage was fatal in one clinical case. The questions issued from presented clinical cases are still waiting for the answers. Some of them are the follows: 1) how asymptomatic may be some of these arachnoid cysts of middle cranial fossa?; 2) how can we «predict» the risk of hemorrhage?; 3) as far as how important to detect the source of hemorrhage and its characteristics. The detailed analysis of presented clinical cases allows extending our viewpoints about developmental mechanisms of such pathological conditions as well as about its complications and consequences.

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