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Lung-nontumor

Infections

Mucor

Reviewers: Elliot Weisenberg, M.D. (see Reviewers page)
Revised: 30 December 2011, last major update September 2011
Copyright: (c) 2003-2011, PathologyOutlines.com, Inc.

Definition
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● Also known as zygomycosis or mucormycosis
● Ubiquitous fungi of class Zygomycetes, includes Mucor, Rhizopus, Absidia and Cunninghamella
● Opportunistic infection especially associated with diabetes; other predisposing factors are neutropenia, corticosteroid therapy, iron overload and mucocutaneous trauma
● Pulmonary and sinusoidal infection caused by inhaled spores or secondary to rhinocerebral mucormycosis

Case report
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● 39 year old man with necrotizing pneumonia (University of Pittsburgh)

Micro description
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● Large, non-septa hyphae with 90 degree angle branching and non-parallel walls, angioinvasive causing tissue necrosis and hemorrhage

Micro images
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GMS stain


Fluorescent antibody staining

   
Culture shows young sporangia of Mucor species

End of Lung-nontumor > Infections > Mucor

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