Sometimes called Human Papilloma Virus (HPV) or condylomata.
There are many different strains of virus.
They cause multiple small lumps which may grow to become large & pedunculated with a granular surface.
They may extend up the anal canal and rectum.
They are highly infectious and related to genital warts.
They often recur after treatment.
local applications (eg podophyllin paint) – may make them shrivel away
liquid nitrogen – freezing/thaw sequence – also may be effective
diathermy under anaesthetic
surgical excision with diathermy