Fig. 2

Pathological findings of the nodular lesion on palate. a Spindle cells in the dermis grew diffusely with the exudation of a large number of parenchyma vessels and red blood cells (hematoxylin and eosin, 40 ×). b Strong and diffuse expression of human herpesvirus-8 was noted (HHV-8 immunostaining, 20 ×)