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首页> 外文期刊>Radiology >Vascular complications of pancreatic transplantation: MR evaluation.
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Vascular complications of pancreatic transplantation: MR evaluation.

机译：胰腺移植的血管并发症：MR评估。

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摘要

PURPOSE: To determine the value of magnetic resonance (MR) angiography and MR imaging with dynamic gadopentetate dimeglumine-enhanced gradient-echo (Gd-GRE) sequences in detection of vascular complications of pancreatic transplantation. MATERIALS AND METHODS: Three radiologists evaluated findings of 32 MR examinations in 20 adult patients who underwent pancreatic transplantation. The images were obtained with a surface coil and T1-weighted and T2-weighted fast spin-echo sequences, Gd-GRE sequences, and MR angiography. Vascular abnormality was confirmed at surgery or biopsy, and vascular patency with clinical correlation. RESULTS: Absence of flow was found in six of 32 studies (19%): acute vascular thrombosis of the vascular pedicle and/or branch vessels in four studies (three patients) and chronic pancreatic rejection in two studies (one patient). Gd-GRE images helped identify infarction in two patients. The sensitivity of MR angiography for detection of acute vascular compromise was 100%, and the specificity was 93%. CONCLUSION: MR angiography and MR imaging with Gd-GRE sequences allow detection of vascular complications of pancreatic transplantation.
机译：目的：为了确定磁共振（MRI）血管造影和磁共振成像与动态g多戊二甲二胺增强梯度回波（Gd-GRE）序列在胰腺移植血管并发症检测中的价值。材料与方法：三位放射科医生评估了20例接受胰腺移植的成年患者的32例MR检查结果。使用表面线圈以及T1加权和T2加权快速自旋回波序列，Gd-GRE序列和MR血管造影术获得图像。在手术或活检时确认血管异常，并且血管通畅与临床相关。结果：32项研究中有6项（19％）发现无血流：四项研究（三名患者）中血管蒂和/或分支血管的急性血管血栓形成和两项研究（一名患者）中的慢性胰腺排斥。 Gd-GRE图像有助于识别两名患者的梗塞。 MR血管造影检测急性血管损伤的敏感性为100％，特异性为93％。结论：MR血管造影和Gd-GRE序列的MR成像可以检测胰腺移植的血管并发症。

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