case_images: PMC5828374_01
case_images: Dorsum of left knee.
case_images: CRIN2018-5953069.001.jpg
case_images: PMC5828374_01_CRIN2018-5953069.001.jpg
case_images: fig1
case_images: These were mostly on his face, arms, and legs (Figure 1).
case_images: Low magnification view showing irregular epidermal acanthosis, with a prominent transepidermal defect containing cellular debris (hematoxylin and eosin stain, original magnification x40).
case_images: CRIN2018-5953069.002.jpg
case_images: PMC5828374_01_CRIN2018-5953069.002.jpg
case_images: fig2
case_images: A punch biopsy of one of the skin lesions revealed changes consistent with an acquired perforating dermatosis (APD) (Figures 2, 3, and 4).
case_images: Higher magnification showing the area of defect containing neutrophils, parakeratosis, and degenerating keratinocytes (hematoxylin and eosin stain, original magnification x200).
case_images: CRIN2018-5953069.003.jpg
case_images: PMC5828374_01_CRIN2018-5953069.003.jpg
case_images: fig3
case_images: A punch biopsy of one of the skin lesions revealed changes consistent with an acquired perforating dermatosis (APD) (Figures 2, 3, and 4).
case_images: High magnification of the base of the defect showing perforation through the epidermis, and communicating with the superficial dermal collagen (hematoxylin and eosin stain, original magnification x400).
case_images: CRIN2018-5953069.004.jpg
case_images: PMC5828374_01_CRIN2018-5953069.004.jpg
case_images: fig4
case_images: A punch biopsy of one of the skin lesions revealed changes consistent with an acquired perforating dermatosis (APD) (Figures 2, 3, and 4).