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  • Title: Pituitary apoplexy caused by ruptured internal carotid artery aneurysm.
    Author: Suzuki H, Muramatsu M, Murao K, Kawaguchi K, Shimizu T.
    Journal: Stroke; 2001 Feb; 32(2):567-9. PubMed ID: 11157198.
    Abstract:
    BACKGROUND AND PURPOSE: We report the first case of pituitary apoplexy caused by the rupture of an intracavernous carotid artery aneurysm embedded in a pituitary adenoma. CASE DESCRIPTION: A 46-year-old man presented with clinical and CT findings typical of pituitary apoplexy. MRI showed an unusual flow-void protrusion into the intratumoral hematoma, which, however, was not diagnosed as a ruptured aneurysm until severe intraoperative bleeding occurred. Angiography after surgery revealed an intracavernous carotid artery aneurysm. CONCLUSIONS: The possible association of adenoma and aneurysmal rupture should be kept in mind when assessing any case of pituitary apoplexy.
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