B-check x ray checking lung cancer endoscopic investigation of liver and kidney stomach in addition to a healthy diet, moderate exercise, cancer screening can be one of the most effective means of preventing cancer.
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However, in the face of numerous cancer screening in the medical institution, people can?t help but wonder exactly which are the most effective?
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Currently used in cancer screening, including both invasive and noninvasive, general principles of non-invasive, no radiation is the preferred, if these checks are not yet confirmed the severity, then select the invasive and radiological examination.
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B-apply: you can very clearly see abdominal tumors, such as kidney cancer, liver cancer, pelvic tumors, such as pelvic cancer, endometrial cancer, ovarian cancer, breast, neck masses can determine the location, size, differentiating benign and malignant. Check frequency: check once a year in healthy subjects.
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For breast cancer, after 40 years in relation to the yearly screening mammography combined with b-ultrasound, more preferred b-women under 35 years.
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Note: gastrointestinal ultrasonic best 3 days before fasting easy gas production of food such as milk, soybean products; 1 day before check evening light diet, check before fasting on the day, water fasting; pelvic ultrasound to retain before urine bladder, drink around 1000 ml of boiling water in 2 hours before the check, 2-4 hours before checking for a pee.
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X ray applies: lung cancer screening is now more commonly, that is, spiral CT examination of chest and breast cancer screening. Check frequency: the elderly, especially tobacco, should be listed as key census population from lung cancer, checking every six months to 1 year 1.
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After the age of 50 breast x ray screening can be done once a year. Note: to minimize the amount of exposure, the best exposure is checked only part, minimizing the exposure time.
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In addition, infants and young children, pregnant women, health, child intends to young women should stay away from. Endoscopic apply: colorectal cancer, gastric cancer check frequency: after the age of 40, it is recommended to do a gastroscopy, early gastric cancer can be nipped in the bud. In particular high risk populations of gastric cancer, such as chronic atrophic gastritis, gastric ulcer and gastric cancer family history, more should be done once a year check. From the development of colorectal adenomatous colorectal cancer usually require 5-10 time, so screening is necessary.
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After 50 years, should check the fecal occult blood test every year, 5 years look colonoscopy, home if relatives suffering from bowel cancer, the best from the age of 40.
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Note: check the first three days are advised to eat less without residue or residue semi-liquid diet, eating fruits and vegetables, check the day of fasting in the morning for breakfast.
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Blood application: now generally has tumor marker in routine physical examination to check, in addition, prostate screening, is commonly adopted methods for blood check the prostate-specific antigen (PSA).
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Check frequency: tumor marker it is best to check once a year; men aged 50 and above all the physical examination to check PSA, once a year, if there is an exception, you should review two or three times, eliminate inflammation may.
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Note: If the marker value exception, may remind the presence of tumors, should further make CT and b-a clear diagnosis. Cervical smear applies: cervical cancer check frequency: initial room can do times a year for three years after cervical smear.
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After 30 years of age can be checked against the risk factors, if continuous negative for three or more results, you can reduce the number of subjects.
Note: check the best escape of menstrual periods, if you have acute gynecological inflammation or infection, is better to do after the illness, planned examination is not in 24-48 hours before washing the vagina. Responsible editor: Hou Xue
Tags: cancer, Gastric cancer
Source: http://yunblog.info/archives/700.html
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