PubMed · 7292028
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H E Longmaid, J D Kennedy. 1981. Case report 156.. https://doi.org/10.1007/bf00347204
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Actinomycosis is caused by Gram-positive Actinomyces species that are part of the normal oral flora with low virulence. We describe a rare case of sudden death of a 48-year-old man with actinomycotic basilar meningitis that was complicated by fatal subarachnoid hemorrhage. Autopsy revealed meningitis at the basilar region of the brain, and histological examination revealed characteristic bacterial aggregates with extensive leukocyte infiltration and severe vasculitis of arteries of this region. Rupture of an artery by severe arteritis was thought to be the cause of the subarachnoid hemorrhage. The probable primary source of infection was found in the left lung. To the best of our knowledge, the complication of subarachnoid hemorrhage has not been reported previously in actinomycotic meningitis.
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A 37-year-old African-American male with acquired immunodeficiency syndrome (AIDS) presented with recurrent chest pain. An upper gastrointestinal endoscopy had been performed two months previously and esophageal biopsy revealed extensive candidal infection with ulceration. He temporarily responded to fluconazole. Repeat biopsy revealed actinomyces and continued candidal infection. Review of the original biopsy also demonstrated actinomyces in addition to candida. After initial response to therapy with penicillin, he worsened on outpatient therapy and subsequently expired from progression of disease. Lack of compliance may have been contributary. To date, 8 patients with esophageal actinomycosis have been reported, five of whom had AIDS. Of the remaining three, none was otherwise immunocompromised. This is the first report of esophageal actinomycosis occurring as a superinfection of candidal ulceration. We also describe the findings and utility of thoracic CT in this condition and review the literature.