1. Initial improvement followed stent insertion and no relapse occurred after stent removal. 2. A further five underwent percutaneous stent insertion in order to achieve biliary decompression. 3. After five days, an ERCP elsewhere showed bile leakage from the cystic duct stump and a small endoscopic sphincterotomy was performed, followed by stent insertion. 4. Six of seven patients with a stricture, had successful stent insertion. 5. But a persistent problem has been that in many cases, stent insertion causes scarring and renewed blockage. 6. One method involves the use of intracoronary radiation at the time of stent insertion. |