Case Report

Immediate Effect of Baricitinib on Arthritis and Biological Disease-Modifying Antirheumatic Drug-Induced Psoriasis-Like Skin Lesions in Two Patients with Rheumatoid Arthritis

Figure 1

Skin lesion in patient 1. (a) Gross inspection reveals psoriasis-like erythematous lesion on the thighs and left arm. (b) Histological findings show elongated rete ridges, parakeratosis, and mononuclear cell infiltration around dermal vessels (H&E stain ×200).
(a)
(b)