原发性梅毒（口疳）
梅毒性下疳可能出现在口腔或嘴周围。
Image courtesy of the Public Health Image Library of the Centers for Disease Control and Prevention.
在这些主题中
梅毒性下疳可能出现在口腔或嘴周围。
Image courtesy of the Public Health Image Library of the Centers for Disease Control and Prevention.