Disseminated Visceral Botryomycosis: Report of a Fatal Case Probably Caused byPseudomonas Aeruginosa

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Abstract
This paper deals with the findings in a fatal case of disseminated visceral botryomycosis, probably caused by Pseudomonas aeruginosa. This is thought to be the first reported instance of botryomyosis caused by Pseudomonas. There are some similarities to a previously published case of disseminated visceral botryomycosis presumed to be caused by a Proteus microorganism. In both instances, it seems likely that the portal of entry was the genitourinary tract, and that dissemination to the lungs occurred by way of the blood stream. The suggestion is offered that the etiology of botryomycotic types of lesions may possibly be influenced by the artificial modification of the balance between virulence of the microorganism and host resistance, as an effect of therapy with antibiotics.