title: Radiology case of the month.
mesh_terms: D002675:Child, Preschool; D003409:Congenital Hypothyroidism / Q000000981:diagnostic imaging*; D005260:Female; D005270:Femur Head / Q000000981:diagnostic imaging*; D006801:Humans; D009999:Ossification, Heterotopic / Q000000981:diagnostic imaging; D011859:Radiography