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Primary epithelioid angiosarcoma of the spleen

tenderness in the left upper abdomen. The spleen was palpably enlarged at the left lower edge of the costal margin. An abdominal computed tomography scan showed splenic subcapsular hematoma and a small amount of intraperitoneal fluid [Figure 1a]. Therefore, he was assumed to have a rupture of the spleen. Laparotomy and splenectomy were performed for further treatment and diagnosis. The spleen measured 15 × 10 × 3 cm with the capsule rupture. A focal lesion was evident. It measured 3.5 × 2.5 × 2.5 cm and had a tan‐gray cut surface [Figure 1b]. Inspection of the splenic lesion showed that the normal spleen cells had been replaced by atypical epithelioid cells and infiltrated the surrounding tissue. The epithelioid cells were large, oval or round, and had abundant cytoplasm,