Analysis of clinical characteristics and factors affecting treatment responses in patients with pyoderma gangrenosum: a multicenter study of 239 patients.

Background: Pyoderma Gangrenosum (PG) is a chronic disease characterized by recalcitrant skin ulcers.

Objective: We aimed to evaluate the demographic, clinical characteristics, treatments and factors affecting the treatment responses of patients with PG.

Methods: We performed a multicenter study of 12 tertiary care centers.