TY - CHAP M1 - Book, Section TI - Pyoderma Gangrenosum 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. PY - 2019 T2 - The Color Atlas and Synopsis of Family Medicine, 3e 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. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/16 UR - accessmedicine.mhmedical.com/content.aspx?aid=1164361860 ER -