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Prognosis for patients diagnosed with pregnancy-associated breast cancer: a paired case-control study / Prognóstico para pacientes grávidas portadoras de câncer de mama: estudo caso-controle pareado
Moreira, Wagner Brant; Brandão, Eduardo Carvalho; Soares, Aleida Nazareth; Lucena, Clécio Enio Murta de; Antunes, Carlos Maurício Figueiredo.
  • Moreira, Wagner Brant; s.af
  • Brandão, Eduardo Carvalho; s.af
  • Soares, Aleida Nazareth; s.af
  • Lucena, Clécio Enio Murta de; s.af
  • Antunes, Carlos Maurício Figueiredo; s.af
São Paulo med. j ; 128(3): 119-124, May 2010. ilus, tab
Article in English | LILACS | ID: lil-561480
ABSTRACT
CONTEXT AND

OBJECTIVE:

Previous studies have suggested that the occurrence of pregnancy concomitantly with a diagnosis of breast cancer may affect the evolution of the neoplasia. The present study aimed to compare pregnancy-associated breast cancer (PABC) patients with non-pregnant cancer patients (controls) in relation to the time taken to diagnose the disease, tumor characteristics and mortality. DESIGN AND

SETTING:

A retrospective, paired case-control study was conducted at the Hospital da Santa Casa de Misericórdia and Centro de Quimioterapia Antiblástica e Imunoterapia in Belo Horizonte, Brazil.

METHODS:

The study involved 87 PABC and 252 control patients. The influence of covariables (interval between first symptoms and diagnosis, tumor histology, size of primary tumor, distant metastasis, grade of malignancy, hormone receptor status and axillary lymph node involvement) and the pregnancy variable on overall survival was investigated using univariate and multivariate analyses.

RESULTS:

The median overall survival for PABC patients of 30.1 months (95 percent confidence interval, CI 19.4-40.9 months) was significantly different (P = 0.005) from that of the control group (53.1 months; 95 percent CI 35.1-71.0 months). The cumulative overall survivals after five and ten years were, respectively, 29.7 and 19.2 percent for PABC patients, and 47.3 and 34.8 percent for control patients (P = 0.005). Tumor size, grade of malignancy, distant metastasis and pregnancy were independent factors that significantly modified disease prognosis.

CONCLUSIONS:

Pregnancy was an independent prognostic factor. The overall survival of PABC patients was shorter than that of non-pregnant patients.
RESUMO
CONTEXTO E

OBJETIVO:

Estudos prévios sugerem que a ocorrência de gravidez simultaneamente com o diagnóstico de câncer de mama pode afetar a evolução da neoplasia. O presente estudo objetivou comparar pacientes com câncer de mama associado à gravidez (PABC) e pacientes com câncer não grávidas (controles) com relação ao tempo decorrido até o diagnóstico de câncer, características tumorais e mortalidade. TIPO DE ESTUDO E LOCAL Estudo retrospectivo, tipo caso-controle pareado, foi conduzido no Hospital da Santa Casa de Misericórdia e Centro de Quimioterapia Antiblástica e Imunoterapia em Belo Horizonte, Brasil.

MÉTODOS:

O estudo envolveu 87 pacientes PABC e 252 controles. A influência das covariáveis (intervalo entre os primeiros sintomas e diagnóstico, histologia do tumor, tamanho do tumor primário, metástase a distância, grau de malignidade, dosagem de receptor hormonal e acometimento dos linfonodos axilares) e da variável gravidez sobre a sobrevida global foram avaliados através de análises univariada e multivariada.

RESULTADOS:

A mediana da sobrevida global para as pacientes PABC de 30,1 meses (intervalo de confiança, IC 95 por cento 19,4-40,9 meses) foi significativamente (P = 0,005) diferente daquela dos controles (53,1 meses; IC 95 por cento 35,1-71,0 meses). A sobrevida global acumulada após 5 e 10 anos foi 29,7 e 19,2 por cento no grupo PABC e 47,3 e 34,8 por cento nos controles. Tamanho do tumor, grau de malignidade, metástase a distância e gravidez foram fatores independentes e significativamente condicionantes do prognóstico da doença.

CONCLUSÕES:

A gravidez foi um fator independente para o prognóstico da doença. A sobrevida global das pacientes PABC foi mais curta do que aquela dos controles.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Pregnancy Complications, Neoplastic / Breast Neoplasms Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Pregnancy Country/Region as subject: South America / Brazil Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2010 Type: Article

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Full text: Available Index: LILACS (Americas) Main subject: Pregnancy Complications, Neoplastic / Breast Neoplasms Type of study: Diagnostic study / Observational study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Pregnancy Country/Region as subject: South America / Brazil Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2010 Type: Article