Nasal cavity, paranasal sinuses, nasopharynx
Inflammatory / infectious lesions

Author: Nat Pernick, M.D. (see Authors page)

Revised: 17 May 2018, last major update November 2004

Copyright: (c) 2004-2018,, Inc.

PubMed Search: Mucor nasal

Page views in 2018: 2,699
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Cite this page: Pernick, N. Mucor. website. Accessed January 23rd, 2019.
Definition / general
  • Relatively common life threatening fungal infection, associated with diabetic ketoacidosis, poor glycemic control or immunosuppression
  • Spreads rapidly across nerves and tissue planes to blood vessels of orbit and brain, causes thrombosis, hemorrhage and infarction
  • Member of phylum Zygomycota, class Zygomycetes, order Mucorales; found in high organic matter and soil
  • Mortality rate of 48%
Case reports
Microscopic (histologic) description
  • Broad nonseptate hyphae branching at 90 degrees, accompanied by numerous neutrophils and histiocytes within granulation tissue
Microscopic (histologic) images

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Fungal hyphae in vessel lumen that infiltrate vessel wall

Asexual structures (very rare in tissue)