PMC8581772_01
Erythematous mass over right mandibular area.
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CD4+ count and an undetectable viral load. Clinical examination showed a 5 by 5 cm erythematous mass with a rough surface and a few draining sinuses over the right mandibular area (Figure 1).
Squamous-lined cystic structure at the deep skin biopsy edge compatible with a sinus tract.
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Skin biopsy showed a squamous-lined cystic structure at the deep biopsy edge compatible with a sinus tract (Figure 2).
Flesh-colored indurated plaque with marked cribriform scarring.
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He was treated with oral doxycycline 100 mg PO BID for 2 months, and when reassessed, the morphology of the lesion had markedly changed (Figure 3) to a flesh-colored indurated plaque with marked cribriform scarring.