<unk>  is a cutaneous condition that is a postoperative, progressive bacterial gangrene. It is seen in immunocompromised individuals, mostly after post abdominal surgery and rapidly spreads to involve a large area.
Chronic undermining burrowing ulcer
Localized lichen myxedematosus
Localized granuloma annulare
Callous ulcer
Arterial insufficiency ulcer
Recurrent toxin-mediated perineal erythema
Acquired progressive lymphangioma
Oral florid papillomatosis