Perimesencephalic nonaneurysmal subarachnoid hemorrhage: review of the literature.

Schwartz, T H; Solomon, R A · Neurosurgery · 1996

review · Level V

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Abstract

A critical review of the literature on the incidence, presentation, diagnosis, and prognosis of perimesencephalic nonaneurysmal subarachnoid hemorrhage. Review of the relevant literature. The importance of early computed tomography (< 3 d), anatomy of the perimesencephalic and neighboring cisterns, and adequate four-vessel angiography are discussed. Treatment strategies, including the avoidance of repeated angiographic studies and surgical exploration, are presented.

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