title: Pyometrium in a three-year-old girl: sonographic findings.
mesh_terms: D000367:Age Factors; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D000292:Pelvic Inflammatory Disease / Q000175:diagnosis; D010386:Pelvic Neoplasms / Q000175:diagnosis; D013492:Suppuration / Q000175:diagnosis; D014463:Ultrasonography; D014591:Uterine Diseases / Q000175:diagnosis*