Authors

Chunxia Zhao

MD, Resident, Department of Dermatology and Venerology, Peking University First Hospital, Beijing, China; National Clinical Research Center For Skin and Immune Diseases, Beijing, China; Beijing Key Laboratory of Molecular Diagnosis on Dermatoses, Beijing, China; NMPA Key Laboratory for Quality Control and Evaluation of Cosmetics, Beijing, China

Multiple papules on the genitalia in two young men

Two male patients aged in their 20s, who had no relationship with each other, separately presented with a three-month history of multiple asymptomatic papules on the genitalia.