More evidences have been identified that pudendal nerve was involved in the pathogenesis of erectile dysfunction (ED) in young men. This prospective study aimed to detect and quantify pudendal nerve alterations in young men with ED using 3T MR neurography protocol. Results certified that pudendal nerve could be visualized and quantified. T2 signal contrast ratio and nerve diameter of pudendal nerve were increased significantly in ED patients compared with healthy controls, suggesting the involvement of pudendal nerve in young men with ED and thus offering a new insight into the pathophysiology and treatment of ED.
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