Kerion — A Boggy Lump
A 13-year-old girl presented with a slowly enlarging, painful swelling of the scalp that had first been noticed 3 weeks earlier. She had received several courses of empirical oral antibiotics for suspected bacterial folliculitis and cellulitis, without improvement. On examination, there was an erythematous, mildly tender, boggy swelling overlying her occiput (Panel A). The lesion was studded with pustules and had associated serosanguineous discharge and alopecia. A sample from the involved area was obtained, and a 10% potassium hydroxide preparation revealed fungal hyphae and confirmed the diagnosis of a kerion....

http://www.nejm.org/doi/full/10.1056/NEJMicm1514152
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