Pudendal Neuralgia • Pudendal nerve arises from S2-S4 roots and innervates perineal structures • Nerve is prone to entrapment at 2 sites: 1) Ischial spine by compression of sacrospinous & sacrotuberous ligaments (green arrow) 2) Pudendal (Alcock) canal (yellow arrow) • Pudendal neuralgia usually occurs in women w/ prior pelvic surgery but can occur in men & women cyclists • CT-guidance is a terrific method to provide a nerve block • A positive pudendal nerve block can help diagnose pudendal neuralgia & provide therapeutic benefit • Important to diagnose correctly, as many patients see multiple providers before arriving at correct diagnosis Dr. Mark Mamlouk @ https://twitter.com/MarkMamloukMD #Pudendal #Neuralgia #Diagnosis #Radiology #MSK