Splenic hamartoma mimicking angiosarcoma: A case report

Figure 1 Abdominal contrast-enhanced computed tomography images with postoperative course in a 33-year-old man. A: Arterial phase contrast-enhanced computed tomography (CT) shows an 8.2 cm × 6.2 cm mass lesion with peripheral rim enhancement (arrowheads); B: Portal venous phase CT reveals a centrally necrotic lesion (orange arrow) with engorged splenic vein (arrowheads); C: On postoperative day 5, portal venous phase CT demonstrates massive splenic vein thrombosis (arrowheads) and a resection site hematoma (orange arrow); D: postoperative day 5, portal venous phase CT also reveals significant intrahepatic and extrahepatic portal vein thrombosis (arrowheads); E: At the 3-month postoperative follow-up, portal venous phase CT shows a remarkable reduction in portal vein thrombosis (arrowheads); F: Significant resolution of remnant splenic vessel thrombosis (arrowheads) and resection site hematoma is observed (orange arrows); G: At the 1-year postoperative follow-up, portal venous phase CT confirms substantial resolution of resection site hematoma (arrowheads); H: Complete resolution of extrahepatic and intrahepatic portal vein thrombosis is seen (orange arrow), with no evidence of recurrence or other abnormalities.