Child's Nervous System

, Volume 6, Issue 1, pp 44–46 | Cite as

Intraoperative subdural hematoma in a patient with arachnoid cyst in the middle cranial fossa

  • Nobuhiko Aoki
  • Tatsuo Sakai
Case Reports


A case of arachnoid cyst in the middle cranial fossa complicated by intraoperative subdural hemorrhage is presented. Accumulation of cerebrospinal fluid (CSF) outside the outer wall of the arachnoid cyst was found to induce the rupture of well-developed, fragile leptomeningeal vessels at the base of the middle cranial fossa. This phenomenon is noteworthy as a pitfall in surgery for intracranial arachnoid cyst and suggest the bleeding source of subdural hematoma occasionally associated with this lesion.

Key words

Intracranial arachnoid cyst Subdural hematoma Leptomeningeal anastomosis Bleeding source Middle cranial fossa 


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Copyright information

© Springer-Verlag 1990

Authors and Affiliations

  • Nobuhiko Aoki
    • 1
  • Tatsuo Sakai
    • 1
  1. 1.Department of NeurosurgeryTokyo Metropolitan Fuchu HospitalFuchu-Shi, TokyoJapan

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