Dermal abscesses with Staphylococcus aureus, cytomegalovirus and acid‐fast bacilli in a patient with acquired immunodeficiency syndrome (AIDS)

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Abstract
A 34-year-old man with acquired immunodeficiency syndrome presented with multiple skin lesions clinically suggestive of molluscum contagiosum. Three skin biopsy specimens were obtained which showed dermal abscesses containing multiple gram-positive cocci admixed with granular necrotic dermal material. In 2, there were cytomegalic inclusions present in macro-phages and endothelial cells within the granulation tissue; immunohistochemistry was positive for cytomegalovirus (CMV) antigens. One biopsy specimen also contained a few acid-fast bacilli associated with mononuclear inflammatory cells. Cultures from the lesions grew Staphylococcus aureus and the lesions resolved when the patient was administered a course of systemic cephalosporin. Although lesions with multiple infectious agents have been reported in immunosuppressed patients, this is the first case describing the association of 3 organisms in a single skin biopsy specimen.