en Dermatology Dermatology case report case report Autoerythrocyte sensitization syndrome CABS) is a rare purpuric disorder of women characterized by inflammatory and painful ecchymotic lesions unrelated to blood clotting or vascular abnormalities. Gastrointestinal bleeding, hematuria, headache or syncopal attacks may also be observed. Our patient is a 33-year-old woman presenting with recurrent severe painful ecchymotic lesions on both lower extremities associated with headache, palpitation and weakness. The diagnosis of AES was confirmed by skin testing with autologous washed red blood cells. No internal bleeding was detected. She was treated with vitamin C with some success. AES, Gardner-Diamond Syndrome, Painful Bruising Syndrome, Psychogenic Purpura 51 53 http://mjiri.iums.ac.ir/browse.php?a_code=A-10-298-232&slc_lang=en&sid=1 L DASTGHEIB 20031947532846006811 20031947532846006811 Yes From the Departments of Dermatology and Pathology, Shiraz University of Medical Sciences, Shiraz, I.R. Iran P PEYRAVI 20031947532846006812 20031947532846006812 No FS ASLANI 20031947532846006813 20031947532846006813 No