RT Book, Section A1 Mayeaux, Jr., E.J. A1 Usatine, Richard P. A2 Usatine, Richard P. A2 Smith, Mindy A. A2 Mayeaux, Jr., E.J. A2 Chumley, Heidi S. SR Print(0) ID 1164361860 T1 Pyoderma Gangrenosum T2 The Color Atlas and Synopsis of Family Medicine, 3e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259862045 LK accessmedicine.mhmedical.com/content.aspx?aid=1164361860 RD 2024/04/20 AB A 32-year-old man was diagnosed with Crohn disease 10 years prior to his visit for these nonhealing leg ulcers (Figure 183-1). The patient experienced minor trauma to his lower leg 1 year ago and these ulcers developed (pathergy). Multiple treatments have been tried with partial success, but the ulcers persist.