Stricture treatment No %
Endoscopic sphincterotomy and dilatation of ampullary stricture 15 2.4
Endoscopic dilatation, stenting (80/121):
   • 8 fr. Stent.
   • 10fr. Stent.
   • 11.5 fr. Stent.
   • 12 fr. Stent.
   • Double stents

5
32
18
14
11

0.7
5.1
2.9
2.2
1.7
Rendez-vous technique &endoscopic stenting 10 1.6
Failed endoscopy, for surgery 16 2.5
Bad patient compliance, for surgery 5 0.7
Bilio-enteric shunt (Choledocho-jujenostomy) 21 3.3
Table 6: Stricture treatment techniques.