“…Although very rare, serious RSB-related complications, such as massive rectal bleeding [9,10] and bowel perforation [11], have been reported, which in turn add a further risk to the patient. Nevertheless, a recent systematic review on RSB has shown that it is a safe and accurate method for the diagnosis of HD [12], but it remains unclear whether these results actually reflect the contemporary surgical practice. Therefore, the purpose of the present study was to evaluate the current usage of RSB as a diagnostic tool for HD, focusing on individual techniques and experiences based on the results from an international survey.…”