case_images: PMC5343251_01
case_images: Subungual hyperkeratosis and a round reddish area in the middle of the nail plate.
case_images: CRIDM2017-3613109.001.jpg
case_images: PMC5343251_01_CRIDM2017-3613109.001.jpg
case_images: fig1
case_images: Dermatological examination showed a distal onycholysis with subungual hyperkeratosis and a round reddish area in the middle of the nail plate (Figure 1).
case_images: Suprabasal acantholytic and dyskeratotic keratinocytes (H-E x10).
case_images: CRIDM2017-3613109.002.jpg
case_images: PMC5343251_01_CRIDM2017-3613109.002.jpg
case_images: fig2
case_images: The histologic features showed acantholytic phenomenon in the epidermis, dyskeratotic keratinocytes, hyperkeratosis, and bone of the distal phalanx (Figure 2).