Abstract:
:The etiology of pityriasis lichenoides is unknown. One of the accepted theories admits that PL is an inflammatory response to extrinsic antigens such as infectious agents, drugs and vaccines. In recent medical literature, only the MMR vaccine (Measles, Mumps and Rubella) was associated with the occurrence of this disease. We present a case of a male, 12 year old healthy patient who, five days after Influenza vaccination, developed erythematous papules on the trunk, abdomen and limbs, some with adherent crusts and associated systemic symptoms. This case report is notable for describing the first case of pityriasis lichenoides et varioliformis acuta associated with the vaccine against Influenza.
journal_name
An Bras Dermatoljournal_title
Anais brasileiros de dermatologiaauthors
Castro BA,Pereira JM,Meyer RL,Trindade FM,Pedrosa MS,Piancastelli ACdoi
10.1590/abd1806-4841.20153492subject
Has Abstractpub_date
2015-05-01 00:00:00pages
181-4issue
3 Suppl 1eissn
0365-0596issn
1806-4841pii
S0365-05962015000700181journal_volume
90pub_type
杂志文章abstract:BACKGROUND:In this paper, the basic elements related to the selection of participants for a health research are discussed. Sample representativeness, sample frame, types of sampling, as well as the impact that non-respondents may have on results of a study are described. The whole discussion is supported by practical e...
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