منابع مشابه
Organochlorine pesticides in gallstones.
A method is described for the determination of organochlorine pesticide residues in human gallstones. The difficulty caused by the presence of large amounts of cholesterol in the stones is overcome by an acetylation step in the “clean-up” procedure, and the method finishes with identification and determination of the individual pesticides by gas-liquid chromatography. Results are given for 28 s...
متن کاملIncidental gallstones.
Gallstones develop in approximately 10% to 15% of the US population and represent one of the most common and most costly of all digestive diseases. Studies investigating gallstones' natural history have shown that gallstone-related complications arise at a rate of approximately 1% per year in asymptomatic patients and 2% per year in patients who already have symptoms. Patients can have any of m...
متن کاملDistribution of Elements in Gallstones
Detailed information on the structure and composition of gallstoneswas obtainedusing an electron probe microanalyser in conjunction with other methods. Gallstones were studied layer by layer without greatly disturbing the arrangement of the materials present. Elements, including trace elements such as copper, iron, and manganese, were identified and their distributions mapped. The range of the ...
متن کاملGallstones and Cholecystitis
Interesting information came from a 10-year study of necropsy findings in South East England. Female gallstone subjects had a higher BMI than controls but males did not. Gallstones were twice as common in those with diabetes. There was no association with heart disease. A third of elderly patients of both sexes had gallstones but most had not had surgery and gallstones were seldom a cause of de...
متن کاملGallstones and Cholecystitis
Interesting information came from a 10-year study of necropsy findings in South East England. Female gallstone subjects had a higher BMI than controls but males did not. Gallstones were twice as common in those with diabetes. There was no association with heart disease. A third of elderly patients of both sexes had gallstones but most had not had surgery and gallstones were seldom a cause of de...
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ژورنال
عنوان ژورنال: JAMA
سال: 2021
ISSN: ['0098-7484', '1538-3598']
DOI: https://doi.org/10.1001/jama.2021.4502