pityriasis lichenoides et varioliformis acuta

noun
pityriasis li·​che·​noi·​des et var·​i·​o·​li·​for·​mis acu·​ta | \ -ˌlī-kə-ˈnȯi-ˌdēz-et-ˌvar-ē-ˌō-lə-ˈfȯr-məs-ə-ˈk(y)üt-ə How to pronounce pityriasis lichenoides et varioliformis acuta (audio) \

Medical Definition of pityriasis lichenoides et varioliformis acuta

: a disease of unknown cause that is characterized by the sudden appearance of polymorphous lesions (as papules, purpuric vesicles, crusts, or ulcerations) resembling chicken pox but tending to persist from a month to as long as years, occurs especially between the ages of 30 and 50, and is more common in men