title: Perirenal hemorrhage in newborn.
abstract: An unusual cause of a palpable abdominal mass in the newborn is adrenal hemorrhage with a secondary perirenal hematoma. All the urologic diagnostic modalities including sonography can be used to diagnose this benign condition. Surgical exploration should be considered when the possibility of a malignancy cannot be excluded.
mesh_terms: D000307:Adrenal Gland Diseases / Q000175:diagnosis / Q000453:epidemiology; D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006470:Hemorrhage / Q000175:diagnosis / Q000453:epidemiology; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D007674:Kidney Diseases / Q000175:diagnosis; D014463:Ultrasonography