ejd.2011.1479 Auteur(s) : Peng Wang, Yuping Ran ranyuping@vip.sina.com Department of Dermatovenereology, West China Hospital, Sichuan University, 610041, Chengdu, China A 52-year-old Chinese woman presented to our department with a one year history of an itching erythematous plaque on the abdomen. The patient had had type 2 diabetes for 5 years. One year before, she had participated in a clinical trial where, as a control subject, she had received a subcutaneous abdominal injection of Isophane Protamine [...]