<prompt> A malignant pustule is a term used for:-An infected malignant melanomaA carbuncleA rapidly spreading rodent ulcerAnthrax of skin  <response>: A malignant pustule is a term used for anthrax of skin. Option 4. Cutaneous anthraxHide poers disease: Transmission- Cutaneous exposure to spores enter through abraded skin. Characterized by- Malignant pustule: - Painless coal-black, necrotic eschar surrounded by non-pitting indurated edema. Option 2 Carbuncle Red, swollen, and painful cluster of boils that are connected to each other under the skin. Boil or furuncle i Infection of a hair follicle that has a small collection of pus called an abscess under the skin. Option 1, 3 These two are totally unrelated to malignant pustule. 