What is the diagnosis? Patient 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). (Answer and link in 24h, JAAD Case Reports)
A. Xanthelasma
B. Necrobiotic xanthogranuloma (NXG)
C. Necrobiosis lipoidica (NL)
D. Sarcoidosis
E. Xanthoma disseminatum (XD)
