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Cine magnetic resonance urography for postoperative evaluation of reconstructive urinary tract after ileal ureter substitution: initial experience

To report the initial experiences with functional cine magnetic resonance urography (cine MRU) and assess its usefulness as a novel postoperative evaluation method of ileal ureter substitution. The medical records of 17 patients from who underwent cine MRU during June 2010 to December 2019 during th...

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Bibliographic Details
Published in:Clinical radiology 2020-06, Vol.75 (6), p.480.e1-480.e9
Main Authors: Zhu, W.J., Ma, M.M., Zheng, M.M., Hao, H., Yang, K.L., Zhou, L.Q., Zhang, J.S., Wang, H., Li, X.S.
Format: Article
Language:English
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Summary:To report the initial experiences with functional cine magnetic resonance urography (cine MRU) and assess its usefulness as a novel postoperative evaluation method of ileal ureter substitution. The medical records of 17 patients from who underwent cine MRU during June 2010 to December 2019 during their follow-up after ileal ureter substitution were collected. The cine MRU videos of reconstructive urinary tract were observed, and the luminal diameter, contraction ratio, peristaltic waves, and ureteral jets were measured. Seventeen patients underwent cine MRU after ileal ureter substitution during their follow-up. Based on their cine MRU videos assessing the morphology and the peristaltic motility of the reconstructive urinary tract, there was resolution of preoperative hydronephrosis, which matched their ameliorative renal function. Clearly, peristaltic motility of the ileal graft was observed in 14 patients with obvious peristaltic waves and ureteral jets. This study is the first to assess the clinical utility of functional cine MRU during the patient follow-up after ileal ureter substitution. Cine MRU is a radiation-free, non-invasive imaging method that can clearly show the morphology and the peristaltic motility of the ileal graft. Therefore, cine MRU, as a novel technique, will be extremely useful in the postoperative evaluation of patients after ileal ureter substitution. •Assess the usefulness of cine MRU as a novel postoperative evaluation method.•Measure luminal diameter, contraction ratio, peristaltic waves, and ureteral jets.•Assess firstly the utility of functional cine MRU after ileal ureter substitution.•Clearly show the morphology and the peristaltic motility of the ileal graft.
ISSN:0009-9260
1365-229X
DOI:10.1016/j.crad.2020.01.014