Pityriasis lichenoides et varioliformis acuta after influenza vaccine.

摘要: The etiology of pityriasis lichenoides is unknown. One the accepted theories admits that PL an inflammatory response to extrinsic antigens such as infectious agents, drugs and vaccines. In recent medical literature, only MMR vaccine (Measles, Mumps Rubella) was associated with occurrence this disease. We present a case male, 12 year old healthy patient who, five days after Influenza vaccination, developed erythematous papules on trunk, abdomen limbs, some adherent crusts systemic symptoms. This report notable for describing first et varioliformis acuta against Influenza.