Mucormycosis CT: Difference between revisions
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==Overview== | ==Overview== | ||
CT scan should be done immediately if mucormycosis is suspected because it can help in delineating the extent of the disease. In rhinocerebral disease, the lesions are isodense to muscle and bone with a rim of soft tissue thickness around the paranasal sinuses if there is sinus involvement. There may be air-fluid levels or complete sinus opacification. The reverse halo sign is an important radiographic finding on CT scan which indicates vascular invasion. | |||
==Key CT scan Findings in Mucormycosis== | ==Key CT scan Findings in Mucormycosis== | ||
CT scan in rhinocerebral mucormycosis may demonstrate:<ref name="pmid19721767">{{cite journal |vauthors=Herrera DA, Dublin AB, Ormsby EL, Aminpour S, Howell LP |title=Imaging findings of rhinocerebral mucormycosis |journal=Skull Base |volume=19 |issue=2 |pages=117–25 |year=2009 |pmid=19721767 |pmc=2671302 |doi=10.1055/s-0028-1096209 |url=}}</ref> | CT scan in rhinocerebral mucormycosis may demonstrate:<ref name="pmid19721767">{{cite journal |vauthors=Herrera DA, Dublin AB, Ormsby EL, Aminpour S, Howell LP |title=Imaging findings of rhinocerebral mucormycosis |journal=Skull Base |volume=19 |issue=2 |pages=117–25 |year=2009 |pmid=19721767 |pmc=2671302 |doi=10.1055/s-0028-1096209 |url=}}</ref> | ||
Revision as of 19:38, 8 June 2017
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Mucormycosis Microchapters |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Syed Hassan A. Kazmi BSc, MD [2]
Overview
CT scan should be done immediately if mucormycosis is suspected because it can help in delineating the extent of the disease. In rhinocerebral disease, the lesions are isodense to muscle and bone with a rim of soft tissue thickness around the paranasal sinuses if there is sinus involvement. There may be air-fluid levels or complete sinus opacification. The reverse halo sign is an important radiographic finding on CT scan which indicates vascular invasion.
Key CT scan Findings in Mucormycosis
CT scan in rhinocerebral mucormycosis may demonstrate:[1]
- Isodense (to muscle and bone) lesions
- A rim of soft-tissue thickness along the paranasal sinuses
- Complete sinus opacification, air-fluid levels
- Obliteration of the nasopharyngeal tissue planes can also occur
CT scan in pulmonary mucormycosis confirms the findings found on chest x-ray and may demonstrate:[2]
- Diffuse low attenuation
- Multiple air lucencies that suggest cavitation
- Pulmonary artery pseudoaneurysms
- Consolidation
- Reverse halo sign suggesting vascular and chest wall invasion
References
- ↑ Herrera DA, Dublin AB, Ormsby EL, Aminpour S, Howell LP (2009). "Imaging findings of rhinocerebral mucormycosis". Skull Base. 19 (2): 117–25. doi:10.1055/s-0028-1096209. PMC 2671302. PMID 19721767.
- ↑ "www.ajronline.org".