DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Folliculitis of the neck. Close-up of inflamed hair follicles (folliculitis) on the neck of a 77-year-old male patient with folliculitis. Folliculitis is an infection of the hair follicles causing inflammation and forming nodules that can suppurate and progress to abscesses and scarring. It is usually caused by bacteria.
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