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  1. Who are the breast cancer survivors in Malaysia?
    Ibrahim NI, Dahlui M, Aina EN, Al-Sadat N
    Asian Pac J Cancer Prev, 2012;13(5):2213-8.
    PMID: 22901196
    INTRODUCTION: Worldwide, breast cancer is the commonest cause of cancer death in women. However, the survival rate varies across regions at averages of 73%and 57% in the developed and developing countries, respectively.

    OBJECTIVE: This study aimed to determine the survival rate of breast cancer among the women of Malaysia and characteristics of the survivors.

    METHOD: A retrospective cohort study was conducted on secondary data obtained from the Breast Cancer Registry and medical records of breast cancer patients admitted to Hospital Kuala Lumpur from 2005 to 2009. Survival data were validated with National Birth and Death Registry. Statistical analysis applied logistic regression, the Cox proportional hazard model, the Kaplan-Meier method and log rank test.

    RESULTS: A total of 868 women were diagnosed with breast cancer between January 2005 and December 2009, comprising 58%, 25% and 17% Malays, Chinese and Indians, respectively. The overall survival rate was 43.5% (CI 0.573-0.597), with Chinese, Indians and Malays having 5 year survival rates of 48.2% (CI 0.444-0.520), 47.2% (CI 0.432-0.512) and 39.7% (CI 0.373-0.421), respectively (p<0.05). The survival rate was lower as the stages increased, with the late stages were mostly seen among the Malays (46%), followed by Chinese (36%) and Indians (34%). Size of tumor>3.0cm; lymph node involvement, ERPR, and HER 2 status, delayed presentation and involvement of both breasts were among other factors that were associated with poor survival.

    CONCLUSIONS: The overall survival rate of Malaysian women with breast cancer was lower than the western figures with Malays having the lowest because they presented at late stage, after a long duration of symptoms, had larger tumor size, and had more lymph nodes affected. There is an urgent need to conduct studies on why there is delay in diagnosis and treatment of breast cancer women in Malaysia.

    Matched MeSH terms: Carcinoma, Lobular/epidemiology
  2. Breast cancer in Sabah, Malaysia: a two year prospective study
    Leong BD, Chuah JA, Kumar VM, Yip CH
    Asian Pac J Cancer Prev, 2007 Oct-Dec;8(4):525-9.
    PMID: 18260722
    INTRODUCTION: Malaysian women have a 1 in 20 chance of developing breast cancer in their lifetime. Sabah, formerly known as North Borneo, is part of East Malaysia with a population of 3.39 million and more than 30 ethnic groups. We conducted a 2 year prospective epidemiological study to provide unreported data of breast cancer from this part of the world and to recognise which particular group of patients are more likely to present with advanced disease.

    METHODS: All newly diagnosed breast cancers seen at the Queen Elizabeth Hospital, Kota Kinabalu, from January 2005 to December 2006 were included in the study. Patient and tumour characteristics, including age, race, education, socioeconomic background, parity, practice of breast feeding, hormonal medication intake, menopausal status, family history, mode of presentation, histology, grade, stage of disease and hormonal receptors status were collected and analysed.

    RESULTS: A total of 186 patients were seen. The commonest age group was 40 to 49 years old (32.3%). Chinese was the commonest race (30.6%) followed by Kadazan-Dusun (24.2%). The commonest histology was invasive ductal carcinoma (88.4%). Stages at presentation were Stage 0- 4.8%, Stage I- 12.9%, Stage II- 30.1%, Stage III- 36.6% and Stage IV- 15.6%. The estrogen and progesterone receptor status was positive in 59.1% and 54.8% of cases, respectively. 73.7% of Chinese patients presented with early cancer compared to 36.4% of the other races. Patients who presented with advanced disease were also poor, non-educated and from rural areas. 20.4% of patients defaulted treatment; most of them opted for traditional alternatives.

    CONCLUSIONS: Sabahan women with breast cancer present late. Great efforts are needed to improve public awareness of breast cancer, especially among those who have higher risk of presenting with advanced disease.
    Matched MeSH terms: Carcinoma, Lobular/epidemiology
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