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American Journal of Neuroradiology, Vol 19, Issue 7 1231-1233, Copyright © 1998 by American Society of Neuroradiology

ARTICLES

Mastoid pneumocele causing atlantooccipital pneumatization

ML Martin, R Bhargava, RA Ashforth and DB Russell
Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Canada.

A 49-year-old woman had a palpable mass in her occipital region. Plain radiographs and CT examination revealed extensive atlantooccipital pneumatization with findings consistent with the diagnosis of mastoid pneumocele. Decompression was achieved with placement of a myringotomy tube, resulting in prompt symptomatic relief. On a follow-up CT examination, the pneumatized areas had become opacified and new bone formation was present.




Copyright © 2008 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X