PMC6855024_01
Extensive psoriasis lesions on the trunk (a), left arm (b), and legs (c).
CRIRH2019-5450863.001.jpg
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fig1
Examination revealed erythematous salivary scaly plaques over the abdomen (Figure 1(a)) and extensor surface of the upper (Figure 1(b)) and lower (Figure 1(c)) extremities bilaterally (sparing the hands and feet).
Parakeratosis, acanthosis, psoriasiform epidermal hyperplasia, and edema in capillary dermis.
CRIRH2019-5450863.002.jpg
PMC6855024_01_CRIRH2019-5450863.002.jpg
fig2
Hematoxylin and eosin stain revealed hyperkeratosis, focal parakeratosis, regular psoriasiform hyperplasia (Figure 2), retained granular cell layer, and superficial perivascular lymphocytes with scanty eosinophils.
Residual hyperpigmentation without active psoriatic rash.
CRIRH2019-5450863.003.jpg
PMC6855024_01_CRIRH2019-5450863.003.jpg
fig3
Over the next 2 months, the rash had partially improved, and no new lesion had been noticed (Figures 3(a)-3(c)).