| CONTRAST-ENHANCED ULTRASONOGRAPHY OF THE NORMAL CANINE ADRENAL GLAND. | |
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MedLine Citation:
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PMID: 21521396 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Contrast-enhanced ultrasonography is useful in differentiating adrenal gland adenomas from nonadenomatous lesions in human patients. The purposes of this study were to evaluate the feasibility and to describe contrast-enhanced ultrasonography of the normal canine adrenal gland. Six healthy female Beagles were injected with an intravenous bolus of a lipid-shelled contrast agent (SonoVue(®) ). The aorta enhanced immediately followed by the renal artery and then the adrenal gland. Adrenal gland enhancement was uniform, centrifugal, and rapid from the medulla to the cortex. When maximum enhancement was reached, a gradual homogeneous decrease in echogenicity of the adrenal gland began and simultaneously enhancement of the phrenicoabdominal vessels was observed. While enhancement kept decreasing in the adrenal parenchyma, the renal vein, caudal vena cava, and phrenicoabdominal vein were characterized by persistent enhancement until the end of the study. A second contrast enhancement was observed, corresponding to the refilling time. Objective measurements were performed storing the images for off-line image analysis using Image J (ImageJ(©) ). The shape of the time-intensity curve reflecting adrenal perfusion was similar in all dogs. Ratios of the values of the cortex and the medulla to the values of the renal artery were characterized by significant differences from initial upslope to the peak allowing differentiation between the cortex and the medulla for both adrenal glands only in this time period. Contrast-enhanced ultrasonography of the adrenal glands is feasible in dogs and the optimal time for adrenal imaging is between 5 and 90 s after injection. |
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Authors:
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Pascaline Pey; Massimo Vignoli; Hendrik Haers; Luc Duchateau; Federica Rossi; Jimmy H Saunders |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-4-26 |
Journal Detail:
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Title: Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association Volume: - ISSN: 1058-8183 ISO Abbreviation: - Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-4-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9209635 Medline TA: Vet Radiol Ultrasound Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2011 Veterinary Radiology & Ultrasound. |
Affiliation:
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Department of Medical Imaging of Domestic Animals and Orthopedy of Small Animals, Ghent University, Ghent, Belgium Clinica Veterinaria dell'Orologio, via Gramsci 1/4, 40037 Sasso Marconi, Bologna, Italy Department of Physiology and Biometry, Ghent University, Ghent, Belgium. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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