Radiological case of the month. Monostotic fibrous dysplasia of the temporal bone.
Computed tomographic scan demonstrating narrowing of the left external auditory canal caused by an expansile bone lesion of the temporal bone (curved arrow). The regional bone was characterized by a "ground-glass" appearance. A small cholesteatoma is located between the tympanic membrane and the bony lesion (black arrow).
Talmi
Y P
YP
Department of Otolaryngology, Hasharon Hospital, Golda Medical Center, Petah Tikvah, Israel.
Ziv
J B
JB
Shimberg
R
R
Finkelstein
Y
Y
Zohar
Y
Y
Wood
B P
BP
D000293:Adolescent; D002781:Cholesteatoma / Q000000981:diagnostic imaging / Q000209:etiology; D004424:Ear Canal; D004427:Ear Diseases / Q000000981:diagnostic imaging / Q000209:etiology; D005260:Female; D005357:Fibrous Dysplasia of Bone / Q000000981:diagnostic imaging*; D005358:Fibrous Dysplasia, Monostotic / Q000150:complications / Q000000981:diagnostic imaging*; D006314:Hearing Loss, Conductive / Q000209:etiology; D006801:Humans; D013701:Temporal Bone / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed