PMC7007027_01
Well-demarcated hyperkeratotic erythematous to violaceous scaly plaques symmetrically involving both the dorsal surface of hands and feet, predominantly on the fingers and toes. Erosion and fissures noted on the surface
abd-94-04-0446-g01.jpg
PMC7007027_01_abd-94-04-0446-g01.jpg
f1
Erosion and fissures were noted on the surface of some lesions (Figure 1).
A- Hyperkeratosis, parakeratosis, psoriasiform epidermal hyperplasia with areas of spongiosis, lichenoid interface change (Hematoxylin & eosin, original magnification x40); B: Hyperkeratosis, parakeratosis, psoriasiform epidermal hyperplasia with areas of spongiosis, lichenoid interface change (Hematoxylin & eosin, original magnification x40); C: Higher magnification showing parakeratosis, scattered necrotic keratinocytes, and lymphocytic infiltration admixed with eosinophils (Hematoxylin & eosin, original magnification x200)
abd-94-04-0446-g02.jpg
PMC7007027_01_abd-94-04-0446-g02.jpg
f2
Interface change and dense band-like lymphocytic infiltration mixed with eosinophils were noted (Figure 2).