Abstract
Endoscopic sphincterotomy (ES) for common bile duct calculi (CBDC) was performed on 210 patients, and 190 of these were available for follow-up. One hundred seventy-three patients (91%) were successfully treated with ES alone, whereas 17 patients required operation. Stone size was of importance to attain complete clearance of CBDC as larger stones (>1 cm) were significantly more difficult to extract endoscopically than smaller stones (p <0.01). A comparison between patients with one CBDC and those with two or more show a statistically significant difference in that the former group is easier to treat successfully (p<0.001).
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Persson, B. Relation of size and number of common duct calculi to success of sphincterotomy and stone extraction. Gastrointest Radiol 16, 212–214 (1991). https://doi.org/10.1007/BF01887348
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DOI: https://doi.org/10.1007/BF01887348