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The British Journal of Radiology, Vol 70, Issue 839 1184-1187, Copyright © 1997 by British Institute of Radiology

ARTICLES

CT and MRI features of cavernous haemangioma of internal auditory canal

MF Omojola, NS al Hawashim, MA Zuwayed and A al Ferayan
Department of Medical Imaging, King Fahad National Guard Hospital, Riyadh, Saudi Arabia.

A left internal auditory canal (IAC) cavernous haemangioma is reported in a 45-year-old Saudi male. The lesion was associated with rapidly deteriorating hearing loss and facial nerve dysfunction. CT showed a calcified enhanced IAC lesion while T1 weighted MRI showed an isointense contrast enhancing lesion bulging into the porus acousticus. The imaging features of the three usual IAC lesions--meningioma, acoustic neuroma and cavernous haemangioma--were compared. Calcification/ossification appear more commonly in cavernous haemangioma than in the other two lesions while facial nerve dysfunction is a clinical hallmark of IAC cavernous haemangioma.




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