| Renal pseudoaneurysm: an overview. | |
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MedLine Citation:
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PMID: 20938436 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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Renal pseudoaneurysm is a rare vascular lesion that arises when an arterial injury within the kidney leads to contained hemorrhage. The associated hematoma forms outside the arterial wall and is typically surrounded by a layer of fibrous inflammatory tissue and blood clot. These lesions are unstable and their rupture can lead to life-threatening hemorrhage. Renal pseudoaneurysm has been reported to occur in various clinical scenarios, including after renal trauma, surgery and percutaneous procedures, as well as inflammatory and neoplastic processes within the kidney. Endovascular selective angioembolization is the mainstay of treatment, although surgery might be indicated when hemostasis and repair of the arterial wall defect are required. Percutaneous ultrasound-guided embolization is an additional option for patients with unfavorable vascular anatomy, or who cannot tolerate or have contraindications to the use of intravenous contrast agents. Some evidence suggests that these lesions can regress without intervention, although observation alone is not recommended as a management strategy in the vast majority of patients owing to the high risk of rupture. Evaluation and management of patients with renal pseudoaneurysm must take into account each individual's circumstances, due to the difficulty of accurately predicting the probability of spontaneous resolution or rupture. |
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Authors:
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Tin C Ngo; J Joy Lee; Mark L Gonzalgo |
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Publication Detail:
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Type: Journal Article Date: 2010-10-12 |
Journal Detail:
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Title: Nature reviews. Urology Volume: 7 ISSN: 1759-4820 ISO Abbreviation: Nat Rev Urol Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-11-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101500082 Medline TA: Nat Rev Urol Country: England |
Other Details:
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Languages: eng Pagination: 619-25 Citation Subset: IM |
Affiliation:
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Department of Urology, Stanford University School of Medicine, 300 Pasteur Drive, S-287, Stanford, CA 94305, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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