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1.
Clin Transl Oncol ; 11(5): 312-7, 2009 May.
Artículo en Inglés | MEDLINE | ID: mdl-19451064

RESUMEN

This population-based study aims to assess prognosis of prostate cancer diagnosed with prostate-specific antigen (PSA) levels <4 ng/ml in routine care. Materials and methods We compared prostate cancer patients with low PSA values (n=59) with other prostate cancer patients (n=1330) by logistic regression and the Cox model using data from the Geneva Cancer Registry. Results Patients with low PSA values more frequently had early-stage and well differentiated tumours. Nevertheless, 35% presented with aggressive tumour characteristics or metastases. After adjustment for other prognostic factors, prostate cancer-specific mortality was similar for both groups (hazard ratio: 1.1; 95%CI: 0.6-2.2). Conclusion We conclude that cancer with low PSA values at diagnosis is not indolent.


Asunto(s)
Antígeno Prostático Específico/sangre , Neoplasias de la Próstata/sangre , Neoplasias de la Próstata/mortalidad , Anciano , Anciano de 80 o más Años , Estudios de Casos y Controles , Humanos , Masculino , Persona de Mediana Edad , Estadificación de Neoplasias , Pronóstico , Neoplasias de la Próstata/patología , Análisis de Supervivencia
2.
Eur J Cancer ; 29A(10): 1418-23, 1993.
Artículo en Inglés | MEDLINE | ID: mdl-8398271

RESUMEN

Using both mortality and incidence data, cancer risk in Italian, Spanish and Portuguese migrants to São Paulo were compared with those in the Brazil-born population, and with those in their countries of origin. Italian and Spanish migrants show changes in cancer risks which are rather similar to those observed in migrants of the same origin in other parts of South America: they increase their rates of oropharyngeal, oesophageal, cervical and breast cancers and they decrease their rates of lung cancers. However, for cancer of the oesophagus, the changes are greater in São Paulo, where migrants acquire rates similar to those of the natives. For colon cancer, rates in Italian migrants decrease in the low risk area of São Paulo and increase in the high risk area of Argentina. Changes in Portuguese migrants are less evident: their rates of colorectal cancer remain high, and, as found for Japanese migrants in São Paulo, they also retain their higher risks of stomach cancer.


Asunto(s)
Neoplasias/mortalidad , Adulto , Anciano , Brasil/epidemiología , Femenino , Humanos , Incidencia , Italia/etnología , Masculino , Persona de Mediana Edad , Neoplasias/epidemiología , Portugal/etnología , Factores de Riesgo , España/etnología
4.
Ann Epidemiol ; 3(1): 64-70, 1993 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-8287158

RESUMEN

This study investigated social class differentials in cancer mortality in São Paulo county, Brazil, for the period 1978 to 1982. A measure of socioeconomic status based on education was used, and cancer risk by level of education was estimated by a case-control approach in which other cancers were considered as controls. For most cancers, the socioeconomic differences in risk were similar to those found in western Europe and North America. For lung cancer, however, the highest risk was observed in men and women with the most education. Other cancers related to tobacco--cancer of the larynx, pharynx, and esophagus--showed a negative association with education. The differences between social classes in consumption habits of alcohol and maté and the use of black tobacco are probably responsible for these contrasting patterns. For breast and cervix uteri cancer the social class patterns were similar to those found in developed countries--a positive relationship for breast and a negative one for cervix uteri cancer. The magnitude of the differences observed between social classes for these cancers was frequently greater in South America than in the United States or western Europe.


Asunto(s)
Escolaridad , Neoplasias/mortalidad , Adulto , Brasil/epidemiología , Estudios de Casos y Controles , Europa (Continente)/epidemiología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Factores de Riesgo , Clase Social , Estados Unidos/epidemiología
5.
Artículo en Inglés | MEDLINE | ID: mdl-1845164

RESUMEN

Data from the São Paulo Cancer Registry (Brazil) for the period 1969-1974 are used to investigate ethnic differentials in cancer risk. Risks for specific cancers were estimated for mulattos and blacks relative to whites, using a case-control approach with other cancers as controls. For both sexes, blacks and mulattos are at higher risk than whites for cancer of the esophagus, stomach, and liver and for myeloma; for prostate cancer in males; and for gall bladder, pancreas, and cervix uteri cancers in females. Blacks and mulattos are at lower risk than whites for cancer of the colon, lung, larynx (males only), bladder, bone, testis, breast, and corpus uteri and for melanoma and leukemia. Except for lung and colon cancers, for which life-style habits are the main risk factors, these ethnic differences are similar to those observed in the United States.


Asunto(s)
Negro o Afroamericano/estadística & datos numéricos , Neoplasias/etnología , Población Blanca/estadística & datos numéricos , Adulto , Población Negra , Brasil/epidemiología , Estudios de Casos y Controles , Femenino , Humanos , Incidencia , Estilo de Vida/etnología , Masculino , Persona de Mediana Edad , Neoplasias/epidemiología , Oportunidad Relativa , Sistema de Registros , Factores de Riesgo , Factores Socioeconómicos
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