What areas of the body are commonly affected by hidradenitis suppurativa (HS)?

Updated: Nov 20, 2020
  • Author: Marina Jovanovic, MD, PhD; Chief Editor: William D James, MD  more...
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Hidradenitis suppurativa has a predilection for the intertriginous regions. The axillary and inguinoperineal regions are most commonly affected (see the images below). Other zones that harbor terminal hair follicles and apocrine sweat glands are occasionally affected. These zones include the areola of the breast, the submammary fold, the periumbilical region, the scalp, the zygomatic and malar areas of the face, the nape of the neck, the external auditory meatus, and the shoulders. The extent and the severity of the disorder vary widely. Some patients have relatively mild forms of the disease that involve only one region. [12] In many patients, more than one major site is involved.

Vulvar hidradenitis suppurativa. Vulvar hidradenitis suppurativa.
Vulvar and inguinal indurations. Vulvar and inguinal indurations.

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