Background The purpose of this study was to conduct thyroid ultrasound examinations on a large sample of subjects and explore the occurrence,distribution,and characteristics of thyroid nodules and thyroid cancer to pr...Background The purpose of this study was to conduct thyroid ultrasound examinations on a large sample of subjects and explore the occurrence,distribution,and characteristics of thyroid nodules and thyroid cancer to provide some information on the epidemic trend of thyroid nodules and cancer.Methods The thyroid ultrasonic examination results of 19 895 healthy physical examinees who visited the Department of Health Management,Peking Union Medical College Hospital from January 2009 to December 2011 were analyzed retrospectively to determine the detection rate and characteristics of thyroid nodules.Fine needle aspiration or surgical resection was suggested to subjects suspected of having thyroid cancer.Results The detection rate of thyroid nodules was 42.6％ （8 480/19 895）,40.0％ （4 661/11 678） in men and 46.5％ （3 819/8 217） in women.The detection rate noticeably increased with increasing age.The detection rate of thyroid nodules by palpation was obviously lower than by ultrasonic examination in various age groups.Among those with thyroid nodules,61.3％ were multiple and 38.7％ were solitary; multiple nodule was the major type both in men and women.Twenty-nine cases of malignant nodules were solitary,and 30 cases of malignant nodules were multiple.There was no significant difference.The detection rate of thyroid cancer was 0.30％ for the entire group of examinees,and 0.15％ in men and 0.50％ in women.Among all sex and age groups,30-to 40-year-old women had the highest detection rate （0.76％）.The detection rate of thyroid nodules correlated with age,systolic blood pressure,height,and weight.Increasing age and/or higher systolic blood pressure correlated with a higher detection rate,while smaller height and weight also correlated with a higher detection rate with significant differences.However,there were no significant correlations between the detection rate and diastolic blood pressure or body mass index.Conclusions The detection of thyroid cancer increased significantly,especially in women.Thus,precautions needed to be taken.Regular physical examination and timely intervention after detection of malignant nodules are critical to improve the prognosis in thyroid cancer patients.展开更多
Background： It is now recognized that Cimicifuga foetida （C. foetida） extract is effective in alleviating menopausal symptoms. But the durations reported were usually short, The aim of this study was to investigate...Background： It is now recognized that Cimicifuga foetida （C. foetida） extract is effective in alleviating menopausal symptoms. But the durations reported were usually short, The aim of this study was to investigate the effects of C. fl）etida extract therapy and different estrogen and progesterone sequential therapies, on the breasts of early postmenopausal women. Methods： This was a prospective randomized trial. Ninety-six early menopausal women were recruited and randomly assigned into three groups treated with different therapies for 2 years. Patients were given C. foetida extract in Group A, estradiol valerate and medroxyprogesterone acetate in Group B, and estradiol valerate and progesterone in Group C. Ultrasonography was used to monitor changes in breast during treatment. Results： In comparing breast glandular section thickness before and after 1 and 2 years of treatment, no significant difference was observed in Group A （11.97 ± 2.84 mm vs. 12.09 ± 2.58 mm and 12.61 ± 3.73 mm, P 〉 0.05）; in Group B glandular section thickness had increased significantly （10.98 ± 2.34 mm vs. 11.84± 2.72 mm and 11.90 ± 3.33 mm, P 〈 0.05） after treatment, the same as Group C （ 11.56 ± 3.03 mm vs. 12.5 ± 3.57 mm and 12.22 ± 4.39 mm P 〈 0.05）. In comparing breast duct width betbre and after 1 and 2 years of treatment, no significant difference was seen in Group A （1.07 ± 0.19 mm vs. 1.02 ±0.18 mm and 0.98 ± 0.21 mm, P 〉 0.05）; in Group B the duct width had a downward trend after treatment （0.99 ± 0.14 mm vs. 0.96 ± 0.22 mm and 0.90 ± 0.18 mm, P 〈 0.05）, the same as Group C （ 1.07 ± 0.20 mm vs. 1.02 ± 0.17 mm and 0.91 ± 0.19 mm, P 〈 0.05）. The nodules detected before treatment had disappeared after 1 -year of treatment or exhibited no distinct changes in the three groups. However, new breast nodules had appeared after 2 years of treatment： There was one case in Group A, two cases in Group B and four cases in Group C, with breast hyperplasia after the molybdenum target check. Conclusions： In early postmenopausal patients, C. foetida extract therapy and estrogen and progesterone therapy at low doses did not increase the incidence of malignant breast tumors.展开更多
文摘Background The purpose of this study was to conduct thyroid ultrasound examinations on a large sample of subjects and explore the occurrence,distribution,and characteristics of thyroid nodules and thyroid cancer to provide some information on the epidemic trend of thyroid nodules and cancer.Methods The thyroid ultrasonic examination results of 19 895 healthy physical examinees who visited the Department of Health Management,Peking Union Medical College Hospital from January 2009 to December 2011 were analyzed retrospectively to determine the detection rate and characteristics of thyroid nodules.Fine needle aspiration or surgical resection was suggested to subjects suspected of having thyroid cancer.Results The detection rate of thyroid nodules was 42.6％ （8 480/19 895）,40.0％ （4 661/11 678） in men and 46.5％ （3 819/8 217） in women.The detection rate noticeably increased with increasing age.The detection rate of thyroid nodules by palpation was obviously lower than by ultrasonic examination in various age groups.Among those with thyroid nodules,61.3％ were multiple and 38.7％ were solitary; multiple nodule was the major type both in men and women.Twenty-nine cases of malignant nodules were solitary,and 30 cases of malignant nodules were multiple.There was no significant difference.The detection rate of thyroid cancer was 0.30％ for the entire group of examinees,and 0.15％ in men and 0.50％ in women.Among all sex and age groups,30-to 40-year-old women had the highest detection rate （0.76％）.The detection rate of thyroid nodules correlated with age,systolic blood pressure,height,and weight.Increasing age and/or higher systolic blood pressure correlated with a higher detection rate,while smaller height and weight also correlated with a higher detection rate with significant differences.However,there were no significant correlations between the detection rate and diastolic blood pressure or body mass index.Conclusions The detection of thyroid cancer increased significantly,especially in women.Thus,precautions needed to be taken.Regular physical examination and timely intervention after detection of malignant nodules are critical to improve the prognosis in thyroid cancer patients.
文摘Background： It is now recognized that Cimicifuga foetida （C. foetida） extract is effective in alleviating menopausal symptoms. But the durations reported were usually short, The aim of this study was to investigate the effects of C. fl）etida extract therapy and different estrogen and progesterone sequential therapies, on the breasts of early postmenopausal women. Methods： This was a prospective randomized trial. Ninety-six early menopausal women were recruited and randomly assigned into three groups treated with different therapies for 2 years. Patients were given C. foetida extract in Group A, estradiol valerate and medroxyprogesterone acetate in Group B, and estradiol valerate and progesterone in Group C. Ultrasonography was used to monitor changes in breast during treatment. Results： In comparing breast glandular section thickness before and after 1 and 2 years of treatment, no significant difference was observed in Group A （11.97 ± 2.84 mm vs. 12.09 ± 2.58 mm and 12.61 ± 3.73 mm, P 〉 0.05）; in Group B glandular section thickness had increased significantly （10.98 ± 2.34 mm vs. 11.84± 2.72 mm and 11.90 ± 3.33 mm, P 〈 0.05） after treatment, the same as Group C （ 11.56 ± 3.03 mm vs. 12.5 ± 3.57 mm and 12.22 ± 4.39 mm P 〈 0.05）. In comparing breast duct width betbre and after 1 and 2 years of treatment, no significant difference was seen in Group A （1.07 ± 0.19 mm vs. 1.02 ±0.18 mm and 0.98 ± 0.21 mm, P 〉 0.05）; in Group B the duct width had a downward trend after treatment （0.99 ± 0.14 mm vs. 0.96 ± 0.22 mm and 0.90 ± 0.18 mm, P 〈 0.05）, the same as Group C （ 1.07 ± 0.20 mm vs. 1.02 ± 0.17 mm and 0.91 ± 0.19 mm, P 〈 0.05）. The nodules detected before treatment had disappeared after 1 -year of treatment or exhibited no distinct changes in the three groups. However, new breast nodules had appeared after 2 years of treatment： There was one case in Group A, two cases in Group B and four cases in Group C, with breast hyperplasia after the molybdenum target check. Conclusions： In early postmenopausal patients, C. foetida extract therapy and estrogen and progesterone therapy at low doses did not increase the incidence of malignant breast tumors.
