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Revista argentina de radiología

versão On-line ISSN 1852-9992

Resumo

BOLANO VEGA, María et al. One-step MR angiography and urography in the evaluation of potential renal living donors. Rev. argent. radiol. [online]. 2011, vol.75, n.4, pp.281-289. ISSN 1852-9992.

Objectives. To evaluate diagnostic accuracy of renal MRangiography(MRA) and MR- urography (MRU) in the assessment of normal anatomy and renal vascular pathology in potential renal living donors compared with surgical findings. Materials and Methods. Evaluation of 55 potential living donors performing one-step MR angiography and MR urography in a 1.5 T magnet. MRA evaluated the presence of anatomic variants or arterial or venous pathologic conditions. MRU depicted renal parenchyma anatomy and collector system. These results were compared with surgical findings. Results. MRA and MRU findings were actually compared with surgical findings in 42 effective donors. MRA specificity was 94 % and diagnostic accuracy was 93 %. Anatomic variants and arterial structural abnormalities were detected in 29 % of patients. Venous and excretory surgical findings were consistent in 100 % of cases. Conclusion. One-step MRA and MRU constitutes an accurate method for pre-operative assessment of renovascular and excretory anatomy in potential living donors.

Palavras-chave : Angiography; Living donor; MR; Renal arteries; Urography.

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