Document Detail

Right double inferior vena cava: Report of 5 cases and literature review.
MedLine Citation:
PMID:  16845296     Owner:  NLM     Status:  MEDLINE    
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.
Toshiyuki Nagashima; Jin Lee; Kazuo Andoh; Takashi Itoh; Kazunori Tanohata; Mito Arai; Tomio Inoue
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Publication Detail:
Type:  Case Reports; Journal Article; Review    
Journal Detail:
Title:  Journal of computer assisted tomography     Volume:  30     ISSN:  0363-8715     ISO Abbreviation:  J Comput Assist Tomogr     Publication Date:    2006 Jul-Aug
Date Detail:
Created Date:  2006-07-17     Completed Date:  2006-08-31     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7703942     Medline TA:  J Comput Assist Tomogr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  642-5     Citation Subset:  IM    
Department of Radiology, Yokohama City University Hospital, Yokohama, Kanagawa, Japan.
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MeSH Terms
Middle Aged
Retrospective Studies
Tomography, X-Ray Computed*
Vena Cava, Inferior / abnormalities*,  radiography

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