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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 24:1642-1645, September 2003
© 2003 American Society of Neuroradiology

Case Report
HEAD AND NECK

Intralabyrinthine Meningioma

Todd R. Aho^a, C. Phillip Daspit^b, Bruce L. Dean^a and Robert C. Wallace^a

^a Department of Radiology, Section of Neuroradiology, Barrow Neurologic Institute, St. Joseph’s Hospital and Medical Center, Phoenix, AZ
^b Department of Otolaryngology, Barrow Neurologic Institute, St. Joseph’s Hospital and Medical Center, Phoenix, AZ

Address reprint requests to Todd R. Aho, MD, Department of Radiology, Barrow Neurologic Institute, 350 W. Thomas Road, Phoenix, AZ 85013

Summary: An 18-year-old female patient with unilateral hearing loss underwent evaluation with CT and MR imaging. A partially ossified, enhancing lesion in the bony labyrinth, with replacement of adjacent structures, was identified. Surgical biopsy revealed a meningioma arising primarily within the bony labyrinth. To our knowledge, this entity has not been previously described.

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