Figure 15
Keloidal Kaposi sarcoma. A. Spindled cells from the edge of the Kaposi sarcoma plaque lesion (upper left) are flanked by an expanse of keloid-like collagen (lower right) (H&E stain). B. Masson's trichrome stain highlighting the keloidal collagen bundles. Note the many extravasated erythrocytes in the background.