Infected epidermoid cyst of the sphenoid bone.
An infected epidermoid cyst presented on CT as a primarily dense, sclerotic expansile lesion in the greater wing of the sphenoid bone. Presumably, infection was responsible for the atypical appearance.
Department of Pathology, Barnes Hospital, St. Louis, MO.
P A
PA
Bejarano
D F
DF
Broderick
M H
MH
Gado
D000368:Aged; D001847:Bone Diseases / Q000000981:diagnostic imaging / Q000473:pathology; D004814:Epidermal Cyst / Q000000981:diagnostic imaging / Q000473:pathology; D005260:Female; D016908:Gram-Positive Bacterial Infections / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D010462:Peptostreptococcus; D011859:Radiography; D013100:Sphenoid Bone / Q000000981:diagnostic imaging / Q000473:pathology