Sialolithiasis MRI: Difference between revisions
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==MRI== | ==MRI== | ||
*Head and neck MRI may be helpful in the diagnosis of sialolithiasis. Findings on MRI suggestive of sialolithiasis include: | *Head and neck MRI may be helpful in the diagnosis of sialolithiasis. Findings on MRI suggestive of sialolithiasis include:<ref name="pmid10543651">{{cite journal |vauthors=Sumi M, Izumi M, Yonetsu K, Nakamura T |title=The MR imaging assessment of submandibular gland sialoadenitis secondary to sialolithiasis: correlation with CT and histopathologic findings |journal=AJNR Am J Neuroradiol |volume=20 |issue=9 |pages=1737–43 |year=1999 |pmid=10543651 |doi= |url=}}</ref> | ||
**Stones are visible as low signal regions outlined by saliva (high signal regions) on T2 weighted images. | **Stones are visible as low signal regions outlined by saliva (high signal regions) on T2 weighted images. | ||
Revision as of 16:35, 6 February 2018
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Sialolithiasis Microchapters |
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Diagnosis |
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Treatment |
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Case Studies |
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Sialolithiasis MRI On the Web |
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American Roentgen Ray Society Images of Sialolithiasis MRI |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mahda Alihashemi M.D. [2]
Overview
Head and neck MRI may be helpful in the diagnosis of sialolithiasis Findings on MRI suggestive of sialolithiasis include low signal regions outlined by saliva ( high signal regions) on T2 weighted images. MRI can distinguished acute from chronic obstruction.
MRI
- Head and neck MRI may be helpful in the diagnosis of sialolithiasis. Findings on MRI suggestive of sialolithiasis include:[1]
- Stones are visible as low signal regions outlined by saliva (high signal regions) on T2 weighted images.
- Acute from chronic obstruction can be distinguished by MRI on T1 signals:
- In acute obstruction, enlargement of the gland and inflammatory changes may be seen as reduced signal compared to other side.
- In chronic cases, size of the gland is decreased and fatty atrophy may be seen as an increased signal compared to the other side.