title: Ultrasonographic demonstration of a placental maternal lake.
abstract: A 30 year old woman was seen at 32 weeks of gestation because of severe abdominal pain. A sonogram revealed an irregular, 5 cm-diameter cystic structure in the placenta. Examination of the placenta after cesarean section showed an extremely large maternal lake.
mesh_terms: D000328:Adult; D003560:Cysts / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D010920:Placenta / Q000033:anatomy & histology*; D010922:Placenta Diseases / Q000175:diagnosis; D011247:Pregnancy; D014463:Ultrasonography