DIAGNOSTIC VALUE OF SINGLE SHOT FAST SPIN ECHO (SS-FSE) SEQUENCE AND THREE DIMENSIONAL FAST SPIN ECHO (3D-FSE) TECHNIQUE MAGNETIC RESONANCE UROGRAPHY IN EVALUATION OF OBSTRUCTIVE UROPATHY

International journal of scientific research Pub Date : 2024-05-01 DOI:10.36106/ijsr/3005574

Tharamel Moideen Muhuesein, Neelufer Arshiya A R, Rajamani Anand, Lavanya G

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Abstract

Introduction: Magnetic Resonance Urography (MRU) is a relatively new and developing technique for the evaluation of obstructive uropathy. It offers unique advantages in terms of safety, particularly in patients where exposure to radiation and contrast are of concern. Aims and objectives: The current study aims to evaluate the diagnostic value of SS-FSE and 3D-FSE techniques of MRU in identifying the varied etiology of obstructive uropathy (OU) and grading the level of obstruction. Materials and methods: A prospective cross-sectional study was conducted using demographic and clinical data of obstructive uropathy (OU) patients (n=30) who underwent Magnetic Resonance Urography (MRU) evaluation using SS-FSE and 3D-FSE sequences after informed consent was obtained. Individual case details documented included age, gender, complaint, location of lesion/obstruction, laterality, hydronephrosis grade, blood urea and serum creatinine, urinary pH, calcium, and oxalates levels. Statistical analysis of the data thus documented in a Microsoft Excel sheet was performed using Version 25 SPSS. Results: The study showed calculus obstruction as the leading cause of uropathy in the study population (76.7%, n=23 out of 30 patients) with distal ureter being the most commonly obstructed (39%, n=9 out of 23 patients). Our analysis revealed the overall diagnostic accuracy of SS-FSE (n=22, 95.7%) and 3D FSE (n=23,100%) sequences when used in conjunction to be very similar to that of CT (n=23,100%) in evaluating etiology. Conclusion: The study concludes that both the MRU sequences of single-shot fast echo and three-dimensional fast spin echo sequence have signicantly high diagnostic value in identifying etiology and grading obstructive uropathy (OU). Further advancements in Magnetic Resonance Urography (MRU) sequences can play a major role in developing a comprehensive protocol or even single step investigation for evaluation of Obstructive uropathy.

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单次快速自旋回波（ss-fse）序列和三维快速自旋回波（3d-fse）技术磁共振尿路造影在评估梗阻性尿路病变中的诊断价值

简介：磁共振尿路造影（MRU）是一种相对较新的评估梗阻性尿路病变的技术。它在安全性方面具有独特的优势，特别是对于担心暴露于辐射和对比剂的患者。目的和目标：本研究旨在评估 MRU 的 SS-FSE 和 3D-FSE 技术在确定梗阻性尿路病变（OU）的不同病因和梗阻程度分级方面的诊断价值。材料和方法：在获得知情同意后，使用 SS-FSE 和 3D-FSE 序列对接受磁共振尿路造影（MRU）评估的梗阻性尿路病（OU）患者（30 人）进行了前瞻性横断面研究，使用了这些患者的人口统计学和临床数据。记录的个体病例详情包括年龄、性别、主诉、病变/梗阻位置、侧位、肾积水等级、血尿素和血清肌酐、尿液 pH 值、钙和草酸盐水平。结果研究显示，在研究人群中，结石梗阻是导致尿路病变的主要原因（30 名患者中占 76.7%，人数=23 人），远端输尿管是最常见的梗阻部位（23 名患者中占 39%，人数=9 人）。我们的分析显示，SS-FSE（22 例，95.7%）和 3D FSE（23 例，100%）序列联合使用时，在病因评估方面的总体诊断准确性与 CT（23 例，100%）非常相似。结论：研究认为，单次快速回波和三维快速自旋回波磁共振成像序列在确定病因和阻塞性尿路病（OU）分级方面具有显著，诊断价值很高。磁共振尿路造影（MRU）序列的进一步发展可在制定评估梗阻性尿路病的综合方案甚至单步检查中发挥重要作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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International journal of scientific research

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