Pathology General 791dcdb7 Impetigo is characterized by all except A Superficial bacterial infection commonly due to staph. Aureus B Microscopic feature is accumulation of lymphocyte beneath the stratum corneum C Blister formation is due to bacterial production of a toxin that cleaves Desmoglein 1 D Typically involves exposed skin mainly hands and face High-Yield Explanation Characteristic microscopic feature in impetigo is accumulation of neutrophils beneath the stratum corneum producing a subcorneal pustule.