Hepatic epithelioid hemangioendothelioma: Update on diagnosis and therapy

Figure 2 Hematoxylin and eosin staining. A: Hematoxylin and eosin staining showing epithelioid and dendritic cells forming primitive vascular structures with a myxoid matrix in epithelioid angioendothelioma (EHE); B: Positive membranous staining for cluster of differentiation (CD31) in epithelioid angioendothelioma, highlighting primitive vascular structures; C: Positive membrane staining for CD34 in EHE, highlighting primitive vascular structures.