RADIOLOGY: SPLEEN: Case# 33136: SPLENIC ARTERY PSEUDOANEURYSM WITH SURROUNDING HEMATOMA AND THROMBUS. PSOAS HEMATOMA HEMATOMA OF THE STOMACH. 55 year old male S/P upper GI bleed. 1) 2 cm x 2 cm splenic artery pseudoaneurysm with surrounding hematoma and thrombus. 2) Hematoma of the stomach, most likely intramural. 3) Fluid collection with internal dense tissue, located between the spleen and stomach, that probably represents hemorrhage. 4) Psoas hematoma.