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Results for “NEOPLASM STATISTICS”

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At least 739 records · Page 41Linked to original sources
PubMed1985

The influence of family history of cancer, irradiation and anticancer medication (mitomycin C), on the occurrence of multiple primary neoplasms with breast cancer--statistical analysis by the person-year method.

The influence of family history of cancer, radiation therapy and anticancer drug therapy (mitomycin C) on the occurrence of multiple primary neoplasms, following treatment of a first primary cancer of the breast, was analyzed by the person-year method in 1,359 patients, in Japan. During 14,371.8 person-years of observation, 111 multiple primary neoplasms including bilateral breast cancers were found in 109 patients. The incidence rate of multiple primary neoplasms were 0.00772 per person-year. The incidence in patients with a family history of cancer was 1.29 times greater than that in patients without such a family history, and the incidence in patients with a family history of breast cancer was about three times greater than that in those without it (p less than 0.01). Radiation therapy raised the occurrence of subsequent primary neoplasms 1.28-fold (or 1.62 fold after 5 years), and mitomycin C (a total dose of 0.8 mg/kg) therapy caused no increase in the occurrence of subsequent primary cancers, after an observation of 10 years or so.

Adult↗
PubMed2002

Maximum intensity projection analysis in magnetic resonance of the breast.

The aim of this study was to determine the sensitivity, specificity and accuracy of vascular asymmetries and vessel location seen using MR Maximum Intensity Projection imaging for malignant and benign lesions. We enrolled 101 women, with an age ranging from 29 to 69 years (mean age of 53.1 years), with a mammary nodule and candidate for surgical intervention. MR was carried out using a 1.5 Tesla superconductive magnet, equipped with a double and bilateral Phased Array dedicated coil. All images obtained were processed using MIP. The relationship between an asymmetry due to a greater amount of vascular structures in the breast with a malignant neoplasm and symmetry with benign neoplasms were statistically significant (p < 0.001): sensitivity of 71.8%, specificity 100% and accuracy 76.2%. The relationship between perilesional or intralesional vessels with malignant versus benign neoplasms were statistically significant (p < 0.001): sensitivity 88.5%, specificity 82.6% and accuracy 87.1%. We concluded that asymmetries between breasts and the presence of perilesional or intralesional vessels seen in MIP images are important signs and, therefore, must be reported.

Adult↗