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 277,896 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The relation between history of several medical conditions and procedures and risk of breast cancer was evaluated in data from a hospital-based case-control study of 2663 cases of breast cancer and 2344 controls with acute conditions unrelated to any of the established or potential risk factors for breast cancer. Whereas previous diagnosis of diabetes mellitus, thyroid disease, hypertension at any age, hyperlipidaemia, cholelithiasis, pelvic inflammatory disease and physician-diagnosed subfertility were unrelated to cancer risk, history of severe obesity in postmenopausal women (odds ratio [OR] 1.4), benign breast disease (OR 1.8) and history of breast biopsies (OR 2.4) were associated with significant risk elevation. Conversely, lifelong history of menstrual irregularities (OR 0.6) seemed to confer some protection against onset of breast cancer. This study supports the hypothesis that, unlike endometrial cancer, breast cancer risk is not enhanced by medical conditions known or suspected to be linked with female hormones, with the exception of benign breast disease and severe overweight in postmenopausal women.
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PMID:Breast cancer risk and history of selected medical conditions linked with female hormones. 214 95

Possible risk factors for gallstone formation were examined and the concentrations of biliary lipids and each bile acid in the hepatic and gallbladder bile of hamsters were quantified. Forty female golden Syrian hamsters were divided into 4 groups according to diet; Group I, given control chow, Group II, given an ethinylestradiol and cholesterol supplemented diet, Group III, given a glucose rich diet without induced diabetes mellitus, and Group IV, given a glucose rich diet with diabetes mellitus induced by streptozotocin injection. The formation of cholesterol crystals but not gallstones was induced in Group II associated with a significantly decreased total bile acid concentration in the gallbladder bile but not in the hepatic bile. The formation of cholesterol gallstones and crystals with significantly higher concentrations of cholesterol and phospholipid was observed in Group III, while neither the formation of gallstones nor lithogenicity was enhanced by diabetes mellitus. However, a quite different lithogenicity was evident between the hepatic and gallbladder bile of the Group IV animals. These results suggest that neither the consumption of oral contraceptives nor diabetes mellitus induces gallstone formation, but that these factors can be responsible for dysfunction of the gallbladder.
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PMID:The effects of ethinylestradiol, a glucose diet and streptozotocin induced diabetes mellitus on gallstone formation and biliary lipid composition in the hamster. 214 45

The 1982-1984 Hispanic Health and Nutrition Examination Survey used ultrasonography to investigate risk factors for gallstone disease (gallstones or cholecystectomy). Mexican American, Cuban American, and Puerto Rican men (n = 968) and women (n = 1,325) aged 20-74 years were selected from household samples in nine states. Among men, the risk of gallstone disease increased with age, education, and subscapular skinfold thickness. Among women, the risk of gallstone disease increased with age, body mass index, four skinfold measures, diabetes, impaired glucose tolerance, and oral contraceptive usage, but not with parity. Women currently using oral contraceptives were also found to be at increased risk of current gallstones. Menopause was a risk factor for gallstone disease and cholecystectomy. Alcohol consumption was negatively related to the risk of gallstone disease. In men, the cholesterol/high density lipoprotein cholesterol ratio was positively related to gallstone disease and, in women, this ratio was negatively related. This interaction between the effect of sex and the cholesterol/high density lipoprotein cholesterol ratio on gallstone disease was highly significant (p = 0.002). Mexican Americans were at increased risk of gallstone disease even when other risk factors were controlled in multiple logistic regression analysis.
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PMID:Risk factors for gallstone disease in the Hispanic populations of the United States. 218 70

A health survey of adults aged 30 years or more was carried out in southwest Taiwan to determine the prevalence of gallstones and to study risk factors associated with gallstones. Blood samples were collected and abdominal sonographic examination and anthropometric measurements were performed on a total of 923 people. The 40 gallstone cases detected resulted in a prevalence of 4.3%. The risk factors explored included age, sex, hepatitis, obesity, hyperlipidemia, and diabetes mellitus (DM). Age and DM were the only significant factors associated with gallstones in our study. With a reference group of 30-39-year-olds as a comparison, multiple logistic regression analysis showed a trend effect with odds ratios of 1.73, 3.74, and 6.32 for age groups of 40-49, 50-59, and 60 or above, respectively. The odds ratio for DM was as high as 2.59. However, sex, body weight index, chronic hepatitis B, and hyperlipidemia were not significantly associated with gallstones.
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PMID:Risk factors for gallstones among Chinese in Taiwan. A community sonographic survey. 222 97

Xanthogranulomatous cholecystitis (XGC) is an uncommon lesion which may form a tumor-like mass in inflamed gallbladders. In a review of 44 cases there were 40 associated with gallstones which had been incarcerated in the neck of the gallbladder, 10 with past histories of abdominal surgeries, 15 with diabetes mellitus, three with carcinomas in the neck of the gallbladder and four with carcinomas in the other organs. Radiologically the differential diagnosis of gallbladder cancer and XGC was difficult in several cases. Thirty five cases of XGC have been diagnosed as chronic cholecystitis and 7 have been mistaken for feature of XGC in the contrast enhancement CT that is, detection of an intramural low density mass with continuously enhanced internal membraneous layer of the gallbladder wall. In view of the clinico-pathological findings of XGC, the lesions appear to result from intramural extravasation of bile and subsequent xanthogranulomatous reaction under obstructive conditions in the neck of the gallbladder. We conclude that XGC is not an uncommon special type of cholecystitis but an accompanied lesion sometimes seen in a kind of cholecystitis.
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PMID:[Clinico-pathological study of xanthogranulomatous cholecystitis]. 223 54

The relation between various aspects of medical history, selected indicator foods and the risk of pancreatic cancer was analyzed in a hospital-based case-control study conducted in Northern Italy on 247 patients with cancer of the pancreas, and 1,089 controls in hospitals for acute, nonneoplastic or digestive conditions. There was a significant association with history of pancreatitis (relative risk, RR 3.2, 95% confidence interval = 1.3-7.9), which was however reduced when the condition was first diagnosed at least 5 years previously. The point estimates were slightly, but not significantly, above unity for diabetes (RR = 1.5), gastrectomy (RR = 1.1) and cholelithiasis (RR = 1.3), and no association was found with liver disease or drug allergy. In relation to diet, there was some tendency for the risk to decrease with more frequent fruit consumption, but the results were largely inconsistent in relation to various indicators of meat, animal protein or fat intake. Although no important associations were found in this study with various aspects of medical history or diet indicators and pancreatic cancer risk, on account of the size of the dataset and the statistical power, this study contributes usefully to the debate on a common cancer whose causes are still largely undefined.
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PMID:Medical history, diet and pancreatic cancer. 224 64

Findings from studies showing an increased incidence of gallstones in diabetic patients do not control for other variables, such as obesity. There is no proof that diabetic patients have more gallstones. Gallstones do not cause diabetes mellitus. The principal gallbladder pathologic feature in diabetic patients is a functional deficit of uncertain etiologic factors, creating a large, flaccid, poorly emptying organ. Bile acid and lipid composition are usually increased in diabetic patients. Cholecystitis seems to be a more serious disease in diabetic patients, with worse infectious sequelae and more rapid disease progression. This conclusion has not been examined statistically. Even with modern care, the complication rate for operations upon the biliary tract in patients with diabetes is increased. Those with diabetes are generally older than other patients requiring cholecystectomy. Systemic changes of aging partly explain increased morbidity and mortality. Diabetic patients with symptomatic gallbladder disease usually require operation. Risk of cholecystectomy in diabetic patients is similar to that in nondiabetics. Prophylactic cholecystectomy for diabetic patients with "silent" gallstones was formerly recommended because of an apparent high risk of cholecystitis. Until the natural history of gallstones in those with diabetes has been defined, such patients should be considered in danger of serious illness. The risk of acute cholecystitis in diabetic patients with stones is probably significant enough to warrant the performance of early cholecystectomy.
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PMID:Gallstones, cholecystitis and diabetes. 224 90

This study was undertaken to analyse the clinical spectrum of chronic liver disease (cirrhosis, and others with portal hypertension) in Kuala Lumpur. Eighty patients were diagnosed over a 6-year period. Twenty-two had biopsy proven cirrhosis while 58 others had portal hypertension with clinical and biochemical evidence of chronic liver disease. The commonest aetiology was alcohol (36%), followed by the idiopathic variety and hepatitis B. The male to female ratio was 4.4:1. Indians had a high prevalence of alcohol-associated chronic liver disease. Overall, ascites was the commonest presentation. Eight patients presented with hepatocellular carcinoma. Spontaneous bacterial peritonitis was diagnosed in 13% of patients undergoing abdominal paracentesis. Gallstones were detected in 37% of patients who underwent ultrasonography. Diabetes mellitus and peptic ulcer disease were noted in 22% and 31% of patients respectively.
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PMID:Chronic liver disease in Kuala Lumpur, Malaysia: a clinical study. 225 36

Unilateral renal agenesis with impaired renal function was found in all 3 siblings of a single family, in association with various metabolic disorders such as diabetes mellitus, hyperuricemia and hyperbilirubinemia with gallstones. The present report suggests that unilateral renal agenesis could occur as a manifestation of a genetic disorder.
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PMID:Unilateral renal agenesis associated with various metabolic disorders in three siblings. 229 49

Obesity has been considered a risk factor for gallstones, but the association remains controversial. To test this possible association we studied autopsy reports of 352 adult patients. These included 248 obese and 104 non-obese patients. The body mass index, defined as body weight in kg/m2, was used to assess and measure the degree of obesity and to divide patients into two groups: Group 1 (normal weight and mildly obese individuals) and Group 2 (moderately and severely obese individuals). The comparative frequency of gallstones in these two groups was statistically analyzed by the Mantel-Haenzel method with stratification for age, sex, and diabetes mellitus. No significant association between gallstones and obesity (p less than 0.2) was found.
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PMID:Gallstones and obesity: observations from 352 autopsied patients. 230 61


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