Abstract:Despite good results in gallbladder imaging, ultrasound (US) diagnosis of choledocholithiasis remains a challenge. The value of US before and after a provocative injection of the decapeptide ceruletide was examined in 25 patients with suspected common duct stones immediately prior to diagnostic retrograde cholangiography. An abnormal response (increase in US duct diameter) was seen in 4 of 6 patients with an obstructed duct, giving a sensitivity of 67% and predictive value of 80% for the procedure. There was a… Show more
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