<prompt> Impetigo is characterized by all exceptSuperficial bacterial infection commonly due to staph. AureusMicroscopic feature is accumulation of lymphocyte beneath the stratum corneumBlister formation is due to bacterial production of a toxin that cleaves Desmoglein 1Typically involves exposed skin mainly hands and face  <response>: Characteristic microscopic feature in impetigo is accumulation of neutrophils beneath the stratum corneum producing a subcorneal pustule. 