1. A mycotic infection of man or animals caused by a number of hyaline (non-dematiaceous) hyphomycetes where the tissue morphology of the causative organism is mycelial. This separates it from phaeohyphomycosis where the causative agents are brown-pigmented fungi. Hyalohyphomycosis is a general term used to group together infections caused by unusual hyaline fungal pathogens that are not agents of otherwise-named infections; such as Aspergillosis. Etiological agents include species of Penicillium, Paecilomyces, Acremonium, Beauveria, Fusarium, and Scopulariopsis. Hyalohyphomycosis.

2. The clinical manifestations of hyalohyphomycosis are many ranging from harmless saprophytic colonization to acute invasive disease. Predisposing factors include prolonged neutropenia, especially in leukaemia patients or in bone marrow transplant recipients, corticosteroid therapy, cytotoxic chemotherapy and to a lesser extent patients with AIDS. The typical patient is granulocytopenic and receiving broad-spectrum antibiotics for unexplained fever. Hyalohyphomycosis.

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