Figure 4

Photomicrograph of the lesion demonstrating a lobule composing of small capillary vessels lined by a layer of endothelial cells. The fibrous capsule (arrow), interlobular septa (right-pointing arrowhead), and a capillary lumen (left-pointing arrowhead) are disclosed in the picture. H & E, original magnification, ×4 (A) and ×40 (B).