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VIGNETTES
Classic Kaposi Sarcoma Treated With Intralesional 5-Aminolevulinic Acid Injection Photodynamic Therapy
Min Young Park, MD;
You Chan Kim, MD
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Classic Kaposi sarcoma (KS), a rare vascular tumor, may be treated with photodynamic therapy (PDT). However, for thick lesions the role of topical PDT is limited owing to reduced penetration.
Report of a Case
A 70-year-old man presented with a 6-month history of skin lesions on the foot. He had no significant medical history and was heterosexual. Physical examination revealed multiple nontender, purple papules on the left foot (Figure 1A). A skin biopsy specimen showed abnormal vascular structures and perivascular proliferation of spindle cells in the dermis (Figure 2A). The cells stained positively for CD31 and human herpesvirus 8 (HHV-8) (Figure 2C). Results of blood tests for HIV were negative.
Figure appears in full text version.
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Figure 1. Clinical presentation of classic Kaposi sarcoma (KS) papules on the foot. A, The red-purple papules of classic KS on the left dorsal surface of foot before treatment. B, . . . [Full Text of this Article]
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