title: Cystic mass in the newborn.
mesh_terms: D000015:Abnormalities, Multiple / Q000000981:diagnostic imaging; D003251:Constriction, Pathologic / Q000151:congenital; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007682:Kidney Pelvis / Q000002:abnormalities* / Q000000981:diagnostic imaging; D011296:Prenatal Diagnosis; D011859:Radiography; D014463:Ultrasonography; D014513:Ureter / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014517:Ureteral Obstruction / Q000151:congenital* / Q000000981:diagnostic imaging