| Right double inferior vena cava: Report of 5 cases and literature review. | |
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MedLine Citation:
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PMID: 16845296 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To describe the computed tomography appearance, embryology, and clinical implications of right double inferior vena cava (IVC). METHODS: Computed tomography imaging findings were retrospectively reviewed in our 5 patients and in 2 cases reported in the literature with right double IVC. The relationship of the 2 postrenal IVCs, their diameter, level of confluence of the 2 IVCs, course of the left common iliac vein, draining site of the right gonadal vein, and the presence of retrocaval ureter were evaluated. RESULTS: In all cases, the relationship of 2 IVCs was ventral-dorsal, and the left common iliac vein passed ventral to the aortic bifurcation or the right common iliac artery. The relationship of the diameters and level of confluence of the 2 IVCs were variable. The right gonadal vein drained into the ventral vessel in 4 cases and into the IVC between the renal venous confluence and the confluence of the 2 vessels in 1 case. In all cases, the retrocaval ureter was not identified. CONCLUSIONS: Characteristic computed tomography findings of right double IVC were a ventral-dorsal relationship between the 2 vessels and the unusual course of the left common iliac vein. Embryologically, the ventral vessel originates from the right subcardinal vein, whereas the dorsal vessel originates from the right supracardinal vein. Although this anomaly is extremely rare, radiologists should recognize it. |
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Authors:
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Toshiyuki Nagashima; Jin Lee; Kazuo Andoh; Takashi Itoh; Kazunori Tanohata; Mito Arai; Tomio Inoue |
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Publication Detail:
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Type: Case Reports; Journal Article; Review |
Journal Detail:
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Title: Journal of computer assisted tomography Volume: 30 ISSN: 0363-8715 ISO Abbreviation: J Comput Assist Tomogr Publication Date: 2006 Jul-Aug |
Date Detail:
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Created Date: 2006-07-17 Completed Date: 2006-08-31 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7703942 Medline TA: J Comput Assist Tomogr Country: United States |
Other Details:
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Languages: eng Pagination: 642-5 Citation Subset: IM |
Affiliation:
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Department of Radiology, Yokohama City University Hospital, Yokohama, Kanagawa, Japan. tn1011@med.yokohama-cu.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Female Humans Male Middle Aged Retrospective Studies Tomography, X-Ray Computed* Vena Cava, Inferior / abnormalities*, radiography |
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