Document Detail

Perihilar branching patterns of renal artery and extrarenal length of arterial branches and tumour-feeding arteries on multidetector CT angiography.
MedLine Citation:
PMID:  23418206     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The purpose of our study was to assess the extrarenal length of renal arterial branches and tumour-feeding arteries on multidetector CT (MDCT) angiography, in addition to the perihilar branching patterns, with relevance to segmental artery clamping.
METHODS: MDCT angiograms of 64 patients with renal masses <4 cm were retrospectively reviewed by 2 radiologists. The perihilar branching patterns of the single main renal artery were assessed according to the number of pre-segmental and segmental arteries. The extrarenal lengths of segmental plus pre-segmental arteries and the tumour-feeding arteries, measured on volume-rendered images, were compared according to the vascular segmentation and the tumour location, respectively.
RESULTS: In the 116 kidneys, 1 pre-segmental plus 5 segmental arteries (n=48) was the most common branching pattern. The mean extrarenal length of the inferior segmental plus pre-segmental arteries (33.05 mm) and the posterior segmental plus pre-segmental arteries (32.30 mm) was longer than any of the other segmental plus pre-segmental arteries (apical, 23.87 mm; superior, 26.80 mm; middle, 29.23 mm) (p<0.05). The mean extrarenal length of the lower pole tumour-feeding arteries (35.94 mm) was longer than those of the upper and mid-pole tumour-feeding arteries (24.95 mm, 29.62 mm), with significant difference between the lower and the upper pole tumour-feeding arteries (p<0.05).
CONCLUSION: Tumours in the lower pole, supplied by the inferior or posterior segmental artery, may be more amenable to segmental artery clamping.
ADVANCES IN KNOWLEDGE: MDCT angiography with volume rendering can demonstrate the extrarenal length of tumour-feeding arteries and may help in determining the accessibility for segmental artery clamping.
W Y Kang; D J Sung; B J Park; M J Kim; N Y Han; S B Cho; C H Kang; S H Kang
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The British journal of radiology     Volume:  86     ISSN:  1748-880X     ISO Abbreviation:  Br J Radiol     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-02-18     Completed Date:  2013-04-04     Revised Date:  2014-07-31    
Medline Journal Info:
Nlm Unique ID:  0373125     Medline TA:  Br J Radiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  20120387     Citation Subset:  AIM; IM    
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MeSH Terms
Imaging, Three-Dimensional
Kidney Neoplasms / blood supply*,  pathology,  radiography*
Middle Aged
Multidetector Computed Tomography
Organ Sparing Treatments
Renal Artery / anatomy & histology*,  radiography
Retrospective Studies

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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