Cutaneous and Muscular Abscesses Secondary to Actinomyces meyer; Pneumonia Actinomyces organisms are commensals of the oral cavity that grow as obligate or facultative anaerobes; these organisms may produce infection after local trauma, surgery, or aspiration. The main forms of actinomycosis are cervicofacial, thoracic, and abdominal; most cases are due to Actinomyces israelii, while other Actinomyces species are only occasionally implicated. Hematogenous dissemination is an infrequent complication of actinomycosis [I]. We report a case of disseminated actinomycosis with uncommon localizations that was due to Actinomyces meyeri.

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Hyponatremia is a frequent finding and asks for a rapid diagnostic evaluation. We report a case of recurrent hyponatremia secondary to an adrenal insufficiency of medicamentous and tuberculous origin. This case illustrates the importance of a rapid etiologic diagnosis of hyponatremia and allows us to review adrenal insufficiency of tuberculous origin. It also stresses the danger of potential drug interactions in case of corticosteroid substitution.