The hidden antral compartment.
Two patients with rare isolated posterior antral compartments are presented. In both cases, the radiologist directed the surgeon to these clinically hidden recesses. The radiographic appearance included a walled-off compartment filled with material of soft-tissue density; clinical importance is discussed.
D000328:Adult; D002481:Cellulitis / Q000000981:diagnostic imaging; D005145:Face; D005260:Female; D006801:Humans; D008297:Male; D008443:Maxillary Sinus / Q000002:abnormalities* / Q000000981:diagnostic imaging; D008875:Middle Aged; D010146:Pain / Q000000981:diagnostic imaging; D011859:Radiography; D012852:Sinusitis / Q000000981:diagnostic imaging*