The wandering spleen is a rare anomaly(1). Preoperative diagnosis is difficult unless serious complications develop(2). Torsion of the spleen is one of the less common surgical conditions(3) This report documents a typical case of torsion of the wandering spleen with review of radiologic findings and literatures. the patient was 8-year-old female whose complaints were epigastric pain and vomiting. A huge abdominal mass was palpated in right midabdomen. A plain radiograph of the abdomen demonstrated a large soft tissue mass which was located at right midabdomen transversely. A barium enema showed the mass to be extrinisc to the colon with inferior displacement of the midportionof transverse colon. The sonography revealed a spleen-shaped solid mass in midabdomen and absence of the splenic echo in its normally identifiable position. As the results of sonography the wandering spleen was strongly suspected. A Tc-sulfa colloid scan revealed a normal liver with the absence of splenic uptake presumably secondary to twisting of the splenic pedicle with occlusion of the vascular supply. An abdominal CT scanning revealed the enlarged and infarcted spleen in anterior midab-dominal cavity and the gas distensions of the stomach ＆ the splenic flexure area. Angiography was the most definitive diagnostic modeality in the evaluation of wandering spleen. Celiac angiography revealed an enlarged wandering spleen with no evidence of torsion. The splenic artery was elongated and displaced to right side which arose from common hepatic artery. Left gastric artery was also stretched. Surgery was done. The spleen was 12x9x5cm in size and discolored to dark reddish. The splenic vessels were dilated with twisted splenic vascular pedicle. A splenectomy was performed. The interstitial hemorrhage of spleen was reported on pathologic finding.