Fig. 3.
Pathological findings of the biopsied skin specimen. (A–C) microscopic examination (hematoxylin and eosin staining in 3 different power fields) demonstrating irregular elongation of rete ridges (black arrows), parakeratosis with neutrophil infiltration (white arrow), and vasodilatation in the papillary dermis (curved white arrow), all compatible with psoriasis.