case_images: PMC10831138_01
case_images: Clinical findings. A single purulent ulcerative lesion with asymmetrical, undermined violaceous borders is located on the exterior aspect of the right lower leg (A). Two similar ulcers are located on the anterior and lateral aspects of the left shin, with the tendency to coalesce into one larger lesion (B). An atrophic, cribriform scar (black arrow) is noticeable at the site of a previously healed lesion (A).
case_images: cureus-0016-00000051490-i01.jpg
case_images: PMC10831138_01_cureus-0016-00000051490-i01.jpg
case_images: FIG1
case_images: An atrophic, cribriform scar was also noticed at the site of a previously healed ulcer (Figures 1A,B).
case_images: Histopathology displaying dense neutrophilic dermal infiltrate.
case_images: cureus-0016-00000051490-i02.jpg
case_images: PMC10831138_01_cureus-0016-00000051490-i02.jpg
case_images: FIG2
case_images: It showed a diffuse sterile neutrophilic dermal infiltrate, interstitial hemorrhage, edema, and fibrosis, all consistent with PG (Figure 2).
case_images: Clinical findings showing a marked improvement in the ulcers of the patient after one month of treatment.. The initial purulent and necrotic base was gone, and a tendency toward healing could be noticed (A, B).
case_images: cureus-0016-00000051490-i03.jpg
case_images: PMC10831138_01_cureus-0016-00000051490-i03.jpg
case_images: FIG3
case_images: Deep ulcerative lesion with a violaceous border. Exposure of the distal phalanx of the left fifth toe.
case_images: cureus-0016-00000051490-i04.jpg
case_images: PMC10831138_01_cureus-0016-00000051490-i04.jpg
case_images: FIG4
case_images: In January 2023, the patient presented again in our clinic with a new ulcerative lesion located at the site of a previously excised painful callus on the fifth toe of the left foot (Figure 4).
case_images: Multiple ulcerative lesions with irregular enlargement resulting in a serpiginous shape.. The exposed peroneal tendon is visible in the purulent base of the ulcer (A). Pyoderma gangrenosum lesion with extensive necrosis of the skin extending to the gastrocnemius muscles (B).
case_images: cureus-0016-00000051490-i05.jpg
case_images: PMC10831138_01_cureus-0016-00000051490-i05.jpg
case_images: FIG5
case_images: The process was so profound that the peroneal tendon was exposed (Figures 5A, B).