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Surg Neurol. 1989 Oct;32(4):300-3.

Extradural hematomas of the posterior cranial fossa. Observations on a series of 32 consecutive cases treated after the introduction of computed tomography scanning.

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Division of Neurosurgery, Ospedale Bellaria, Bologna, Italy.


A series of 32 patients with posterior fossa epidural hematoma treated after the introduction of computed tomography scanning between 1975 and March 1988 is presented. Sixteen patients harbored "pure" epidural hematomas, whereas 16 had other infratentorial or supratentorial traumatic lesions. Glasgow Coma Scale on admission was 7 or less in 10 patients, 8-12 in 11, and 13-14 in 11. Only six patients had a lucid interval. Thirty patients were treated surgically; two patients with small hematomas were treated conservatively. Overall mortality was 15.6%, with 0% for "pure" and 31.2% for "complicated" posterior fossa epidural hematomas. The value of routine computed tomography scanning is emphasized in cases with occipital skull fracture or when such fracture is found in patients undergoing emergency evacuation of supratentorial hematomas. The pertinent literature is addressed with special regard to the delayed occurrence, associated lesions, and mortality of posterior fossa epidural hematomas and to the role of computed tomography scanning.

[Indexed for MEDLINE]

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