| Clinical and diagnostic imaging findings in dogs with zygomatic sialadenitis: 11 cases (1990-2009). | |
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MedLine Citation:
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PMID: 21999794 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Objective-To describe clinical and diagnostic imaging features of zygomatic sialadenitis in dogs. Design-Retrospective case series. Animals-11 dogs with zygomatic sialadenitis and 20 control dogs without evidence of retrobulbar disease. Procedures-Medical records were searched for dogs with zygomatic sialadenitis that underwent some combination of magnetic resonance imaging (MRI), computed tomography (CT), and ultrasonography. Signalment, clinical signs, results of clinicopathologic tests, cytologic and histologic diagnosis, treatment, qualitative disease features, and disease course were recorded. Images obtained via MRI or CT were analyzed for pre- and postcontrast signal intensity or density, respectively; zygomatic salivary gland area was determined. Results were compared with those of control dogs that underwent the same imaging procedures (n = 10/method). Ultrasonographic images of affected dogs were assessed qualitatively. Results-Most (9/11) affected dogs were medium- or large-breed males (mean age, 8 years) with unilateral disease. Affected dogs had clinical signs of retrobulbar disease and cytologic or histologic evidence of zygomatic sialadenitis. Sialoceles were detected in 7 affected glands. Compared with values for control dogs, MRI findings in affected dogs (n = 7) included gland enlargement, T1-weighted hypointensity, T2-weighted hyperintensity, and increased contrast enhancement; CT features in affected dogs (2) included gland enlargement and hypodensity on unenhanced images. Retrobulbar masses were identified via ultrasonography in 9 of 10 orbits examined, and zygomatic salivary gland origin was detected in 4. Conclusions and Clinical Relevance-Visualization of anatomic structures for diagnosis of zygomatic sialadenitis and evaluation of adjacent structures was excellent via MRI and CT Ultrasonography was less definitive but useful for sample collection. |
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Authors:
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Matthew S Cannon; Danielle Paglia; Allison L Zwingenberger; Susanne A E B Boroffka; Steven R Hollingsworth; Erik R Wisner |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of the American Veterinary Medical Association Volume: 239 ISSN: 1943-569X ISO Abbreviation: J. Am. Vet. Med. Assoc. Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-10-17 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503067 Medline TA: J Am Vet Med Assoc Country: United States |
Other Details:
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Languages: eng Pagination: 1211-8 Citation Subset: IM |
Affiliation:
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Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California-Davis, Davis, CA 95616. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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