What type of disorder is hidradenitis suppurativa (HS)?

Updated: Aug 30, 2019
  • Author: Marina Jovanovic, MD, PhD; Chief Editor: William D James, MD  more...
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In other studies, hidradenitis suppurativa is identified as a disorder of follicular occlusion rather than apocrine occlusion. [25, 26]  Yu and Cook found inflammatory changes involving the apocrine glands in only one third of cases; these occurred only when the inflammation extensively involved the hair follicles and eccrine glands. [25] Attanoos et al reported follicular occlusion in all specimens, when compared with controls, regardless of the disease duration. The inflammation of the apocrine glands did not occur in the absence of an adjacent folliculitis; thus, apocrine gland involvement was incidental or secondary. [26] Therefore, hidradenitis suppurativa is best considered a disorder of the terminal follicular epithelium in the apocrine gland–bearing skin.

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