case_images: PMC10010119_01
case_images: Numerous isolated or confluent perivulvar and perianal pigmented macules of reticulated appearance with the presence of inguinal HS nodules and fistulas.
case_images: IJWH-15-355-g0001.jpg
case_images: PMC10010119_01_IJWH-15-355-g0001.jpg
case_images: f0001
case_images: The pigmentation is bilateral and symmetrical, located in the axillary, vulvar and perianal folds and does not affect the mucous membranes (Figures 1 and 2).  
case_images: Discrete isolated brownish macules of the axillae with HS cysts and fistulae.
case_images: IJWH-15-355-g0002.jpg
case_images: PMC10010119_01_IJWH-15-355-g0002.jpg
case_images: f0002
case_images: The pigmentation is bilateral and symmetrical, located in the axillary, vulvar and perianal folds and does not affect the mucous membranes (Figures 1 and 2).  
case_images: Pseudo-comedonal lesions and atrophic scars on the back.
case_images: IJWH-15-355-g0003.jpg
case_images: PMC10010119_01_IJWH-15-355-g0003.jpg
case_images: f0003
case_images: In addition to the classic HS lesions in the form of nodules, sometimes simple, sometimes fistulised, characterising the disease at stage 2 of Hurley's scale, we observe pseudo-comedonal lesions and atrophic scars on the back (Figure 3).
case_images: Elongation of epidermal buds, hyperpigmentation of basal keratinocytes without associated melanocytic hyperplasia (HES x 20).
case_images: IJWH-15-355-g0004.jpg
case_images: PMC10010119_01_IJWH-15-355-g0004.jpg
case_images: f0004
case_images: A skin biopsy of the reticular pigmentation shows discrete orthokeratotic hyperkeratosis with epidermal bud elongation and basal hyperpigmentation without associated melanocytic hyperplasia (Figure 4).