small volume of contrast material under fluoroscopic guidance. Imaging would provide guidance as to the safest means of removing the catheter. catheter and document in the patient's medical record. Unless the retained catheter caused symptoms, I would not push forward with any further evaluation. Dr Pawa: I would cease pulling and ask for a surgical opinion. Dr Maniker: I would obtain imaging (bedside ultrasound and possible computed tomography) and consider obtaining a surgery consult for exploration and removal. How would you proceed if you attempted to remove the catheter and you think you left a portion behind in the patient? Dr Auyong: If a portion of the catheter was left behind in the patient, I would first and foremost inform the patient. If asymptomatic, I would reassure the patient that retained foreign bodies are generally not removed surgically. I would examine the patient with ultrasound to see if I could locate any part of the 24 Dr Harrington: A surgical consult would be obtained for open removal of the broken fragment. Dr Pawa: I would organize imaging and a consultation with my surgical colleagues, with a view to facilitate surgical removal if required. American Society of Regional Anesthesia and Pain Medicine 2017