Alternariosis
Synopsis
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The two species most frequently isolated from clinical samples are A. alternata and A. infectoria. Microscopically, Alternaria spp. appear as branched septate hyphae with hand grenade-shaped conidia. On histology, a mixed inflammatory infiltrate and granulomas are typical. Granuloma formation is usually observed in older lesions that have been present for at least 3-months evolution. Hyphal elements are usually present and can be visualized with Fontana-Masson staining.
Codes
B48.8 – Other specified mycoses
SNOMEDCT:
238436005 – Cutaneous alternariosis
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