Figure 1.
Brownish macules and plaques on the foot of a patient with classic KS.
Figure 2.
Patch stage classic KS: Red to brownish irregularly-shaped macules and plaques.
Figure 3.
Patch stage KS with promontory sign.
Dilated irregular vascular channels surround a pre-existing vessel.
Figure 4.
Plaque stage KS with bizarre vessels dissecting the upper dermis.
There is erythrocyte extravasation and hemosiderin pigmentation.
Figure 5.
Tumor stage KS: Well-circumscript spindle-cell tumor.
Erythrocytes lie within poorly defined slit-like vascular spaces.
Figure 6.
Tumor stage KS: Close up view.
Figure 7.
D2-40 staining of arborizing vascular structures; irregular lymphatic vessels.
Figure 8.
HHV-8 staining of atypical endothelial cells.
Table 1.
Clinical features and treatment outcome.