Demonstration of renal arterial anatomy and tumour neovascularity for vascular mapping of renal cell carcinoma: the value of CO2 angiography

The aim of this study was to compare the efficacy of CO(2) angiography with that of iodinated contrast angiography for vascular mapping prior to partial nephrectomy for presumed renal cell carcinoma. 13 consecutive patients were studied and all patients underwent selective renal angiography using bo...

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Bibliographic Details
Published in:British journal of radiology 2003-02, Vol.76 (902), p.89-93
Main Authors: SANDHU, C, BELLI, A. M, PATEL, U
Format: Article
Language:English
Subjects:
Aged
Angiography - methods
Biological and medical sciences
Carbon Dioxide
Carcinoma, Renal Cell - blood supply
Carcinoma, Renal Cell - diagnostic imaging
Carcinoma, Renal Cell - surgery
Contrast Media
Female
Humans
Investigative techniques, diagnostic techniques (general aspects)
Kidney Neoplasms - blood supply
Kidney Neoplasms - diagnostic imaging
Kidney Neoplasms - surgery
Kidneys
Male
Medical sciences
Middle Aged
Neovascularization, Pathologic - diagnostic imaging
Neovascularization, Pathologic - surgery
Nephrectomy - methods
Nephrology. Urinary tract diseases
Preoperative Care - methods
Prospective Studies
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Renal Artery - diagnostic imaging
Tumors of the urinary system
Urinary system
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Summary:The aim of this study was to compare the efficacy of CO(2) angiography with that of iodinated contrast angiography for vascular mapping prior to partial nephrectomy for presumed renal cell carcinoma. 13 consecutive patients were studied and all patients underwent selective renal angiography using both CO(2) and iodinated contrast medium. Digitally subtracted images were acquired and compared. Seven male and six female patients, with a median age of 58 years (range 46-74 years), were examined. On comparing images the main renal artery was visualized in all cases with both contrast agents. The segmental vessels were seen in 7 of 13 CO(2) studies and 12 of 13 iodinated contrast studies. CO(2) was also inferior in the depiction of tumour circulation, showing it in 4 of 13 cases compared with 9 of 13 cases using iodinated contrast. It therefore appears that CO(2) angiography offers no diagnostic advantage and is also inferior to iodinated contrast angiography in the pre-operative vascular mapping of renal tumours.
ISSN:0007-1285
1748-880X
DOI:10.1259/bjr/15383522