fig2

Figure 2. (A) One-week postoperative presentation showing bilateral superficial ulcerating lesions with livid discoloration; (B) Clinical presentation three days after initiation of corticosteroid therapy, demonstrating superficial fibrin-covered erosions without infiltration, undermined borders or further progression; (C) Clinical improvement after 17 days of corticosteroid therapy, combined with local wound care and regular HBO therapy; (D) Outcome after four weeks of treatment of PSPG. HBO: Hyperbaric oxygen; PSPG: postsurgical pyoderma gangrenosum.