作者单位:Department of Pathology University of Virginia[1]Department of Pathology The Ohio State University[2]Department of Dermatology University of S?o Paulo[3]Department of Pathology Wake Forest University[4]Department of Dermatology Universidade Peruana Cayetano Heredia[5]Department of Dermatology Hospital General Dr. Manuel Gea González[6]Department of Pathology Hospital Obrero[7]