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Ken Kitamura, MD; Kenichi Nibu, MD; Masao Asai, MD; Nobuyuki Shitara, MD; Toshiro Niki, MD

Arch Otolaryngol Head Neck Surg. 1989;115(3):384-386.

Abstract
• We describe a case of chondromyxoid fibroma of the mastoid bone extending along the occipital bone in a 48-year-old man. The presence of this tumor was heralded solely by aural fullness caused by otitis media with effusion. The tumor arose from the mastoid cavity, eroding the entire petrous portion, and invading the foramen magnum and jugular foramen. The occurrence of this tumor is exceedingly rare, and, to our knowledge, this is only the second article in the literature that describes a chondromyxoid fibroma of the mastoid region. The clinical appearance of this tumor and its light-and electron-microscopic findings are presented with reference to other articles.

(Arch Otolaryngol Head Neck Surg 1989;115:384-386)

Author Affiliations
From the Departments of Otolaryngology (Drs Kitamura, Nibu, and Asai), Neurosurgery (Dr Shitara), and Pathology (Dr Niki), University of Tokyo.

Footnotes
Accepted for publication Aug 15, 1988.

Reprint requests to Department of Otolaryngology, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan (Dr Kitamura).

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