title: Intraosseous pneumatosis after total knee arthrography: a "normal" variant.
mesh_terms: D000368:Aged; D000388:Air; D003937:Diagnosis, Differential; D005269:Femur / Q000000981:diagnostic imaging*; D006801:Humans; D007720:Knee Prosthesis; D008297:Male; D010019:Osteomyelitis / Q000000981:diagnostic imaging*; D011183:Postoperative Complications / Q000000981:diagnostic imaging*; D011859:Radiography