Pyloroduodenal duplication cyst.
Pyloroduodenal duplication cysts are an extremely rare congenital anomaly, whose clinical signs and symptoms often mimic those of hypertrophic pyloric stenosis. This radiographic analysis revealed configurational changes consistent with a large extrinsic mass rather than muscular hypertrophy, thus leading to the correct preoperative diagnosis.
D003560:Cysts / Q000151:congenital* / Q000000981:diagnostic imaging / Q000601:surgery; D003937:Diagnosis, Differential; D004378:Duodenal Diseases / Q000151:congenital* / Q000000981:diagnostic imaging / Q000601:surgery; D004386:Duodenum / Q000002:abnormalities; D005260:Female; D006801:Humans; D006984:Hypertrophy; D007223:Infant; D011300:Preoperative Care; D011706:Pyloric Antrum / Q000002:abnormalities; D011707:Pyloric Stenosis / Q000175:diagnosis; D011859:Radiography; D013272:Stomach Diseases / Q000151:congenital* / Q000000981:diagnostic imaging / Q000601:surgery