A 6-month-old infant presented with increasing abdominal distension over several weeks and was found to have a large heterogeneous mass arising from the left kidney. The patient underwent a left radical nephrectomy, with pathology consistent with congenital mesoblastic nephroma.
Clinical Quiz: A 6-month-old infant with increasing abdominal distension over several weeks . Appl Radiol.
Prepared by Dr. Jane Kim and Dr. Shet while serving as Assistant Professors in the Department of Diagnostic Radiology & Nuclear Medicine; Dr. Chun while an Assistant Professor in the Department of Surgery, Division of Pediatric Surgery; and Dr. Wendy Kim and Dr. Morin while Radiology Residents, PGY5, in the Department of Diagnostic Radiology & Nuclear Medicine at the University of Maryland Medical Center in Baltimore, MD.