| Peritoneal metastases: evaluation with contrast-enhanced ultrasound. | |
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MedLine Citation:
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PMID: 20959976 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVES: The aim of this study is to evaluate the contrast-enhanced ultrasound (CEUS) features of peritoneal metastases. MATERIALS AND METHODS: Unenhanced ultrasound and CEUS were conducted in 25 patients who had confident diagnoses of peritoneal metastases after ultrasound-guided biopsies of peritoneum. B-mode sonograms, color Doppler, CEUS pattern and quantitative analysis of blood perfusion in peritoneal metastases were successively evaluated. RESULTS: Peritoneum became markedly thickened and was well seen as a heterogeneous omental cake at B-mode ultrasound. Color Doppler only detected dotted or strip-like blood flow scattered in the thickened peritoneum and no blood signal was found in any metastatic nodule. At CEUS, the thickened peritoneum enhanced diffusely and parameters of time-intensity curves did not show any significant difference among variant metastases groups. All the metastatic nodules in the peritoneum showed fast radial enhancement and became homogeneous with adjacent parenchyma. These nodules soon became hypoechoic and the contour of the nodule was clearly shown during the wash-out phase. In all the nodules, the time to peak was shorter and peak intensity was higher compared with the peripheral tissue. CONCLUSION: CEUS played a good role in the evaluation of microcirculation and angiogenesis of peritoneal metastases and metastatic nodules in thickened peritoneum. |
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Authors:
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Yanhong Que; Xuemei Wang; Chunmei Tao; Yixia Zhang; Weina Wan; Bo Chen |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Abdominal imaging Volume: 36 ISSN: 1432-0509 ISO Abbreviation: Abdom Imaging Publication Date: 2011 Jun |
Date Detail:
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Created Date: 2011-05-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9303672 Medline TA: Abdom Imaging Country: United States |
Other Details:
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Languages: eng Pagination: 327-32 Citation Subset: IM |
Affiliation:
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Department of Ultrasound, First Affiliated Hospital of China Medical University, Shenyang, 110001, Liaoning, China, quebaobao@yahoo.com.cn. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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