CT-guided pudendal nerve infiltration
Pain in right buttock on sitting.
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The pudendal bundle is identified on the medial aspect of the obturator internus. A 22-gauge needle was inserted via a transgluteal approach and positioned into Alcock's canal. A mixture of celestone, bupivacaine and iodinated contrast was injected into the canal. A post procedural CT demonstrates an excellent distribution of the injection.