A<unk>  is an open sore located on the<unk>  area, which includes the vulva, penis, perianal region, or anus.<unk> s are most commonly caused by infectious agents (fungal infections, secondary bacterial infections, or sexually transmitted diseases such as<unk>  herpes, syphilis or chancroid). However, this is not always the case, as a<unk>  may have noninfectious causes as well.
Genital ulcer
Buried penis
Pearly penile papules
Anal fissure
Callous ulcer
Pruritus vulvae
Deer penis
Stercoral ulcer