title: Unusual renal masses in the pediatric age group.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging; D000367:Age Factors; D001027:Aortography; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D006222:Hamartoma / Q000000981:diagnostic imaging; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging; D007223:Infant; D052177:Kidney Diseases, Cystic / Q000000981:diagnostic imaging; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D007690:Polycystic Kidney Diseases / Q000000981:diagnostic imaging; D012077:Renal Artery / Q000000981:diagnostic imaging; D012082:Renal Veins; D013924:Thrombophlebitis / Q000000981:diagnostic imaging; D009396:Wilms Tumor / Q000000981:diagnostic imaging