Acne necrotica: Also known as acne varioliformis or acne frontalis, this is a severe form of scalp folliculitis. It causes larger, inflamed follicular lesions that develop blackened crusts and can ...

Molluscum contagiosum was not the only term used to describe this disease back then – phrases such as “molluscum epitheliale”, “molluscum verrucosum”, and even “acne varioliformis ...