Case of the month: differential calculus.
D000008:Abdominal Neoplasms / Q000000981:diagnostic imaging*; D002648:Child; D003884:Dermoid Cyst / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000000981:diagnostic imaging; D011859:Radiography