A 76-year-old white woman presented for evaluation of asymptomatic skin lesions on her right shin, right buttock, and left arm. All lesions initially underwent slow growth and plateaued and then remained stable in size. A complete review of systems revealed normal results. She had 3 well-demarcated erythematous round plaques ranging from 1.5 to 3 cm, all with a central depression, yellow hue, and prominent telangiectasias (Figs 1 and 2). An excisional biopsy was performed. Histologically, there were palisading granulomas within the papillary and reticular dermis, predominantly composed of a histiocytic cell population with multiple large giant cells (S100-; Fig 3).
Recommended CitationSchoenberg, Elizabeth; McGuinn, Kathleen P.; Connolly, Deirdre; and Yang, Sherry, "An Atypical Presentation of a Rare Disease" (2019). Department of Dermatology and Cutaneous Biology Faculty Papers. Paper 110.
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