PMC5739175_01
Axillary lesion measuring 2 x 3 cm.
gr1.jpg
PMC5739175_01_gr1.jpg
fig1
The nodule was 2 by 3 cm, pink, indurated, and without evidence of drainage (Fig 1).
Dilated follicle ostia with keratogenous debris and inflammation. (Hematoxylin-eosin stain; original magnification: x200.)
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PMC5739175_01_gr2.jpg
fig2
Histologically, the dermis showed diffuse suppurative and granulomatous inflammation with dilated hair follicles containing keratogenous debris, inflammatory cells, and fungal hyphae (Fig 2).
Intrafollicular fungal hyphae highlighted with a PAS stain. (Original magnification: x200.)
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PMC5739175_01_gr3.jpg
fig3
A periodic acid-Schiff (PAS) stain found fungal hyphae and spores within the hair follicles (Fig 3) and adjacent dermis.