Splenic hamartoma mimicking angiosarcoma: A case report

Figure 3 Surgical specimen with histopathological analysis and immunohistochemical examination after splenectomy. A: The surgical specimen measured 21.7 cm × 15.5 cm × 6.3 cm, with an intact capsule and no signs of congestion; B: Gross examination reveals an ill-defined yellow-white solid mass with hemorrhage, measuring 4.5 cm × 2.5 cm × 2 cm; C: Immunohistochemical staining for CD8+ sinuses (× 200); D: Microscopic findings show vascular proliferation composed of disorganized red pulp elements (left from red line) and hemorrhage (right from red line), visualized with hematoxylin-eosin staining (× 100).