Involvement of Streptococcus pyogenes (beta haemolytic streptococcus, Lancefield Group A) infection, usually of the throat, in acute exacerbations of psoriasis is well known. We report here two cases of an acute psoriatic eruption associated in one patient with Group C streptococcal cellulitis and in another with Group G streptococcal intertrigo.
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Henderson et al. (1988) studied this question.
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