[Retroperitoneal ganglioneuroma: a case report].

The ganglioneuroma is a benign neuroblastic tumor and derives from immature cells of the sympathetic nerve system. The ganglioneuroma is a very rare disease and effects newborns and infants more often than adolescents and adults. The benign tumors are relatively difficult to diagnose since they usually are asymptomatic. We report a case of a 14-year-old boy coming to us with persistent asthenia. In the Department of Emergency an abdominal ultrasonography incidentally revealed abdominal mass near his left kidney. The computed tomography revealed dis-homogeneous abdominal mass. In another hospital, subsequently, a complete surgical resection and histopathologic examination established the diagnosis of ganglioneuroma.