<unk>  <unk>  can be defined as<unk> s characterized by genital, anal, or perianal lesions that are<unk> ative or pustular.<unk>  is typically caused by sexually transmitted infections (STI) but also by other non-STI conditions.
Sexually transmitted<unk> s characterized as<unk>  include:
Chancroid
Genital herpes
Donovanosis (granuloma inguinale)
Lymphogranuloma venereum (LGV)
Syphilis
Other conditions that are not sexually transmitted infections that may be associated with genital, anal, and perianal lesions include:
Genital candidiasis
Trauma
Carcinoma
Aphthae
Fixed drug eruption
Psoriasis
Behçet's<unk>
Genital ulcer disease
Anal fissure
Anal cancer
Anal dysplasia
Genital warts
Anal fistula
Genital candidiasis
Anal abscess