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previous cholecystectomy
The background of this experimental studies are the clinical findings that 10% of patients with carcinoma of the large bowel had previous cholecystectomy.
      
The influence of previous cholecystectomy (CCE) on the 1,2-dimethylhydrazine (DMH)-induced colorectal tumorigenesis was examined in 497 female NMRI mice after 14, 20, 24, 28, 33, and 36 weeks of induction time.
      
All 22 patients in whom the gallbladder was not seen sonographically had had a previous cholecystectomy.
      
We report a patient who presented with recurrent right upper quadrant colics after a previous cholecystectomy.
      
Each patient was examined for previous cholecystectomy.
      
Endoscopic sphincterotomy has become the undisputed method of choice for removing common bile duct calculi following previous cholecystectomy.
      
The relationship between colonic cancer and previous cholecystectomy was investigated in 90 Japanese patients treated surgically for colonic cancer during the period of 1971 to 1980.
      
The results showed that previous cholecystectomy was prevalent, but the difference was not statistically significant, in the group of colonic cancer patients, compared with the groups of rectal cancer patients and matched controls.
      
A positive association between the proximal colonic cancer and previous cholecystectomy, and between distal colonic cancer and asymptomatic gallstones found concomitantly with the cancer, was noted in the present study.
      
There was a gradient of previous cholecystectomy history from the proximal colon to the rectum.
      
The overall frequency of previous cholecystectomy in the index cases was 8.1 per cent while that in the matched control was 5.4 per cent.
      
The incidence of previous cholecystectomy in a series of 541 patients with colorectal cancer and 1832 patients with stomach cancer was studied.
      
Five patients (0.92 percent) with colorectal cancer and eight (0.44 percent) with stomach cancer had undergone previous cholecystectomy.
      
To avoid biases in the two groups of patients, 416 pairs of patients, comparable in sex, age, and time of admission for cancer treatment, were matched from each group to compare the number of patients who had undergone previous cholecystectomy.
      
31% of obese patients and 7% of controls had a previous cholecystectomy (P>amp;lt;0.0001).
      
Female patients were more likely to have undergone previous cholecystectomy than males in both the obese group (34% vs 11%, P>amp;lt;0.001) and the control group (12% vs 2%, P>amp;lt;0.0001).
      
Results: Of the 100 patients who took part in the trial, 11 had had a previous cholecystectomy.
      
In 7, nonvisualization was caused by "technical" factors, a previous cholecystectomy, or an interruption in the normal path of the radiopaque material.
      
There were 19 patients with gallstone pancreatitis who did not have a cholecystogram accomplished because of jaundice, recurrent pancreatitis, previous cholecystectomy, and pregnancy.
      
In subjects with previous cholecystectomy trypsin outputs during infusion of EAA were similar to subjects with intact gallbladder, but their TBA outputs remained constant during the entire infusion period.
      
 

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