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Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(10):508-512
DOI 10.1590/S0100-72032009001000007
PURPOSE: to check epidemiological data from a breast diagnostic clinic. METHODS: mammographies from 35,041 patients were studied, within a period of 2 years and 7 months, from 2004 to 2006, 32,049 (91.5%) of them from screening, and 2,992 from symptomatic patients (8.5%). The calculated parameters were: detection rate of the screening patients, percentage of cancer among the symptomatic patients, rate of biopsy indication, percentage of minimal, in situ, and stage 0-1 carcinomas, recall rate, and predictive value of mammographies considered as abnormal and of biopsies' indications in screening patients. RESULTS: 228 diagnoses of breast cancer were made, 111 in screening patients (0.34% detection rate) and 117 in symptomatic patients (3.91% detection rate). The number of biopsies' recommendations among screening patients was 544 (1.7% of those patients). There were 28% of minimal carcinomas, 10% of in situ carcinomas and 93% of stage 0-1 carcinomas among the screening patients. Recall rate was 19%. Positivity of mammographies considered as abnormal (VPP1) was 1.65%. The rate of biopsies' positivity (VPP2) was 21.9%. CONCLUSIONS: this study brings important epidemiological data for the audit of mammographic screening, rare among us. Data have been analyzed as compared to what is recommended by the literature, the detection rate and the percentage of minimal and in situ carcinomas found being comparable to the established values, but with the VPP value lower than the ideal.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(10):508-512
DOI 10.1590/S0100-72032009001000007
PURPOSE: to check epidemiological data from a breast diagnostic clinic. METHODS: mammographies from 35,041 patients were studied, within a period of 2 years and 7 months, from 2004 to 2006, 32,049 (91.5%) of them from screening, and 2,992 from symptomatic patients (8.5%). The calculated parameters were: detection rate of the screening patients, percentage of cancer among the symptomatic patients, rate of biopsy indication, percentage of minimal, in situ, and stage 0-1 carcinomas, recall rate, and predictive value of mammographies considered as abnormal and of biopsies' indications in screening patients. RESULTS: 228 diagnoses of breast cancer were made, 111 in screening patients (0.34% detection rate) and 117 in symptomatic patients (3.91% detection rate). The number of biopsies' recommendations among screening patients was 544 (1.7% of those patients). There were 28% of minimal carcinomas, 10% of in situ carcinomas and 93% of stage 0-1 carcinomas among the screening patients. Recall rate was 19%. Positivity of mammographies considered as abnormal (VPP1) was 1.65%. The rate of biopsies' positivity (VPP2) was 21.9%. CONCLUSIONS: this study brings important epidemiological data for the audit of mammographic screening, rare among us. Data have been analyzed as compared to what is recommended by the literature, the detection rate and the percentage of minimal and in situ carcinomas found being comparable to the established values, but with the VPP value lower than the ideal.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2004;26(6):429-433
DOI 10.1590/S0100-72032004000600002
OBJECTIVE: to correlate serum leptin concentration with bone mineral density (BMD) in postmenopausal women. METHODS: twenty-two healthy postmenopausal women were included in the present study. BMD was measured by dual energy X-ray absorptiometry at the lumbar spine and femoral neck. Serum leptin concentrations were determined using an immunoradiometric assay. Statistical analysis was performed by ANOVA and Dunn and Pearson's correlation tests. RESULTS: mean BMD values were 0.898 ± 0.140 g/cm² at the lumbar spine and 0.760 ± 0.152 g/cm² at the femoral neck. Mean serum leptin concentration was 17.2 ± 9.4 ng/ml and no significant differences were observed among women with normal BMD, osteopenia and osteoporosis (18.6 ± 7.8, 18.9 ± 9.9 and 15.6 ± 10.6, respectively; p > 0.05). No significant correlations were observed between serum leptin levels and BMD measurements at the lumbar spine and femoral neck, when the whole sample was considered and when patients were divided into groups with osteoporosis and/or osteopenia and a control group. We observed a positive significant correlation between serum leptin levels and body mass index (BMI) (r = 0.66; p = 0.0044). CONCLUSIONS: there was no direct correlation between leptin and BMD in postmenopausal women, although we observed positive significant correlation between leptin and BMI. This fact indicates a possible indirect effect of leptin on bone metabolism.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2004;26(6):429-433
DOI 10.1590/S0100-72032004000600002
OBJECTIVE: to correlate serum leptin concentration with bone mineral density (BMD) in postmenopausal women. METHODS: twenty-two healthy postmenopausal women were included in the present study. BMD was measured by dual energy X-ray absorptiometry at the lumbar spine and femoral neck. Serum leptin concentrations were determined using an immunoradiometric assay. Statistical analysis was performed by ANOVA and Dunn and Pearson's correlation tests. RESULTS: mean BMD values were 0.898 ± 0.140 g/cm² at the lumbar spine and 0.760 ± 0.152 g/cm² at the femoral neck. Mean serum leptin concentration was 17.2 ± 9.4 ng/ml and no significant differences were observed among women with normal BMD, osteopenia and osteoporosis (18.6 ± 7.8, 18.9 ± 9.9 and 15.6 ± 10.6, respectively; p > 0.05). No significant correlations were observed between serum leptin levels and BMD measurements at the lumbar spine and femoral neck, when the whole sample was considered and when patients were divided into groups with osteoporosis and/or osteopenia and a control group. We observed a positive significant correlation between serum leptin levels and body mass index (BMI) (r = 0.66; p = 0.0044). CONCLUSIONS: there was no direct correlation between leptin and BMD in postmenopausal women, although we observed positive significant correlation between leptin and BMI. This fact indicates a possible indirect effect of leptin on bone metabolism.
