[Diagnosis of non-sexually transmitted diseases in genitalia].

Highly transient population, multiple sexual partners and high prevalence of unprotected sex behaviors suggest a potential rapid spread of sexually transmitted diseases (STD) in China. However, there are some 200 non-sexually transmitted diseases involving the genitalia, etiologically falling into 23 types. To avoid unnecessary medical disputes, enough attention should be paid to the differential diagnosis of non-sexually transmitted diseases in the genitalia.