PMC5477751_01
Skin lesions and histopathology of worker B. a. hyperpigmentation, multiple cysts, chloracne-like lesions of face and neck, b. soft cysts with yellowish pus and papules with comedones (arrow: biopsy site), c. Histopathologic findings showed chronic inflammation with dense fibrosis, chronic granulomatous inflammation, hyperkeratosis (hematoxylin and eosin stain, x 40)
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PMC5477751_01_40557_2017_184_Fig1_HTML.jpg
Fig1
The findings indicated epidermal cysts, hyperkeratosis, increased basal pigmentation, chronic perivascular inflammation, chronic granulomatous inflammation, and pigmented macrophages in dermis (Figure 1).
PMC5477751_02
Swan-neck deformity of both fingers, worker G
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PMC5477751_02_40557_2017_184_Fig2_HTML.jpg
Fig2
And a bilateral swan-neck deformity developed on 3rd and 4th fingers (Figure 2).