title: Pediatric caudal epidural catheter sequestration: an unusual complication.
mesh_terms: D015360:Analgesia, Epidural; D002404:Catheterization; D004824:Epidural Space; D004868:Equipment Failure; D005547:Foreign Bodies / Q000150:complications; D006801:Humans; D007223:Infant; D008297:Male; D010149:Postoperative Pain / Q000188:drug therapy; D011183:Postoperative Complications / Q000209:etiology* / Q000601:surgery; D014057:Tomography, X-Ray Computed