Displaying publications 1 - 20 of 167 in total

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  1. Fulltext Barriers to early presentation of self-discovered breast cancer in Singapore and Malaysia: a qualitative multicentre study
    Lim JN, Potrata B, Simonella L, Ng CW, Aw TC, Dahlui M, et al.
    BMJ Open, 2015 Dec 21;5(12):e009863.
    PMID: 26692558 DOI: 10.1136/bmjopen-2015-009863
    OBJECTIVE: To explore and compare barriers to early presentation of self-discovered breast cancer in Singapore and Malaysia.

    DESIGN: A qualitative interview study with thematic analysis of transcripts.

    PARTICIPANTS: 67 patients with self-discovered breast symptoms were included in the analysis. Of these, 36% were of Malay ethnicity, 39% were Chinese and 25% Indian, with an average age of 58 years (range 24-82 years). The number of women diagnosed at early stages of cancer almost equalled those at advanced stages. Approximately three-quarters presented with a painless lump, one-quarter experienced a painful lump and 10% had atypical symptoms.

    SETTING: University hospital setting in Singapore and Malaysia.

    RESULTS: Patients revealed barriers to early presentation not previously reported: the poor quality of online website information about breast symptoms, financial issues and the negative influence of relatives in both countries, while perceived poor quality of care and services in state-run hospitals and misdiagnosis by healthcare professionals were reported in Malaysia. The pattern of presentation by ethnicity remained unchanged where more Malay delayed help-seeking and had more advanced cancer compared to Chinese and Indian patients.

    CONCLUSIONS: There are few differences in the pattern of presentation and in the reported barriers to seek medical care after symptom discovery between Singapore and Malaysia despite their differing economic status. Strategies to reduce delayed presentation are: a need to improve knowledge of disease, symptoms and causes, quality of care and services, and quality of online information; and addressing fear of diagnosis, treatment and hospitalisation, with more effort focused on the Malay ethnic group. Training is needed to avoid missed diagnoses and other factors contributing to delay among health professionals.

    Matched MeSH terms: Breast Neoplasms/diagnosis*
  2. Fulltext Changes following nipple areolar complex reconstruction and tattooing resembling a recurrent Paget's disease of the breast
    Hanafiah M, Alhabshi SM, Mahin AH
    BMJ Case Rep, 2013;2013.
    PMID: 24165504 DOI: 10.1136/bcr-2013-201281
    Matched MeSH terms: Breast Neoplasms/diagnosis
  3. A comparison of the information needs of women newly diagnosed with breast cancer in Malaysia and the United kingdom
    Gopal RL, Beaver K, Barnett T, Ismail NS
    Cancer Nurs, 2005 Mar-Apr;28(2):132-40.
    PMID: 15815183
    Little is known about the information needs of women with breast cancer in non-Western societies. This study examined the priority information needs of 100 women with breast cancer in Malaysia and compared the findings to previous work involving 150 women diagnosed with breast cancer in the United Kingdom. The study used a valid and reliable measure, the Information Needs Questionnaire (INQ). The INQ contained 9 items of information related to physical, psychological, and social care, used successfully in Canada and the United Kingdom. The INQ was shown to have cross-cultural relevance and sensitivity. For Malaysian women, information about likelihood of cure, sexual attractiveness, and spread of disease were the most important information needs. For UK women, similar priorities were evident, apart from the item on sexual attractiveness, which was ranked much lower by women in the United Kingdom. The cultural similarities and differences that emerged from this study have implications for nurses in the cancer field caring for people from a diversity of cultural backgrounds. Breast care nurses are not a feature of the Malaysian healthcare system, although the findings from this study support the view that specialist nurses have a vital role to play in meeting the psychosocial needs of women with breast cancer in non-Western societies.
    Matched MeSH terms: Breast Neoplasms/diagnosis
  4. Fulltext Breast Cancer Polygenic Risk Score and Contralateral Breast Cancer Risk
    Kramer I, Hooning MJ, Mavaddat N, Hauptmann M, Keeman R, Steyerberg EW, et al.
    Am J Hum Genet, 2020 11 05;107(5):837-848.
    PMID: 33022221 DOI: 10.1016/j.ajhg.2020.09.001
    Previous research has shown that polygenic risk scores (PRSs) can be used to stratify women according to their risk of developing primary invasive breast cancer. This study aimed to evaluate the association between a recently validated PRS of 313 germline variants (PRS313) and contralateral breast cancer (CBC) risk. We included 56,068 women of European ancestry diagnosed with first invasive breast cancer from 1990 onward with follow-up from the Breast Cancer Association Consortium. Metachronous CBC risk (N = 1,027) according to the distribution of PRS313 was quantified using Cox regression analyses. We assessed PRS313 interaction with age at first diagnosis, family history, morphology, ER status, PR status, and HER2 status, and (neo)adjuvant therapy. In studies of Asian women, with limited follow-up, CBC risk associated with PRS313 was assessed using logistic regression for 340 women with CBC compared with 12,133 women with unilateral breast cancer. Higher PRS313 was associated with increased CBC risk: hazard ratio per standard deviation (SD) = 1.25 (95%CI = 1.18-1.33) for Europeans, and an OR per SD = 1.15 (95%CI = 1.02-1.29) for Asians. The absolute lifetime risks of CBC, accounting for death as competing risk, were 12.4% for European women at the 10th percentile and 20.5% at the 90th percentile of PRS313. We found no evidence of confounding by or interaction with individual characteristics, characteristics of the primary tumor, or treatment. The C-index for the PRS313 alone was 0.563 (95%CI = 0.547-0.586). In conclusion, PRS313 is an independent factor associated with CBC risk and can be incorporated into CBC risk prediction models to help improve stratification and optimize surveillance and treatment strategies.
    Matched MeSH terms: Breast Neoplasms/diagnosis
  5. Outcomes after mastectomy with immediate breast reconstruction for breast cancer in a multiethnic, middle-income Asian setting
    See MH, Sinnadurai S, Lai LL, Tan KL, Teh MS, Teoh LY, et al.
    Surgery, 2021 12;170(6):1604-1609.
    PMID: 34538341 DOI: 10.1016/j.surg.2021.08.001
    BACKGROUND: Although immediate breast reconstruction is increasingly becoming popular worldwide, evidence from resource-limited settings is scarce. We investigated factors associated with immediate breast reconstruction in a multiethnic, middle-income Asian setting. Short-term surgical complications, timing of initiation of chemotherapy, and survival outcomes were compared between women undergoing mastectomy alone and their counterparts receiving immediate breast reconstruction.

    METHODS: This historical cohort study included women who underwent mastectomy after diagnosis with stage 0 to stage IIIa breast cancer from 2011 to 2015 in a tertiary hospital. Multivariable regression analyses were used to assess factors associated with immediate breast reconstruction and to measure clinical outcomes.

    RESULT: Out of 790 patients with early breast cancer who had undergone mastectomy, only 68 (8.6%) received immediate breast reconstruction. Immediate breast reconstruction was independently associated with younger age at diagnosis, recent calendar years, Chinese ethnicity, higher education level, and invasive ductal carcinomas. Although immediate breast reconstruction was associated with a higher risk of short-term local surgical complications (adjusted odds ratio: 3.58 [95% confidence interval 1.75-7.30]), there were no significant differences in terms of delay in initiation of chemotherapy, 5-year disease-free survival, and 5-year overall survival between both groups in the multivariable analyses.

    CONCLUSION: Although associated with short-term surgical complications, immediate breast reconstruction after mastectomy does not appear to be associated with delays in initiation of chemotherapy, recurrence, or mortality after breast cancer. These findings are valuable in facilitating shared surgical decision-making, improving access to immediate breast reconstruction, and setting priorities for surgical trainings in middle-income settings.

    Matched MeSH terms: Breast Neoplasms/diagnosis
  6. Fulltext Primary extraskeletal Ewing's sarcoma/primitive neuroectodermal tumour of breast
    Ikhwan SM, Kenneth VK, Seoparjoo A, Zin AA
    BMJ Case Rep, 2013 Jun 21;2013.
    PMID: 23813511 DOI: 10.1136/bcr-2013-009584
    Primary primitive neuroectodermal tumour (PNET) and extraskeletal Ewing's sarcoma belongs to the Ewing's family of tumours. Primary tumours arising from breast are very rare. There are only a few case reports published on primary extraskeletal Ewing's sarcoma and PNET arising from breast. We present an extremely rare case of an inoperable primary Ewing's sarcoma arising from left breast with contralateral breast, lymphatic and lung metastasis.
    Matched MeSH terms: Breast Neoplasms/diagnosis*
  7. Optimisation of the continuum of supportive and palliative care for patients with breast cancer in low-income and middle-income countries: executive summary of the Breast Health Global Initiative, 2014
    Distelhorst SR, Cleary JF, Ganz PA, Bese N, Camacho-Rodriguez R, Cardoso F, et al.
    Lancet Oncol, 2015 Mar;16(3):e137-47.
    PMID: 25752564 DOI: 10.1016/S1470-2045(14)70457-7
    Supportive care and palliative care are now recognised as critical components of global cancer control programmes. Many aspects of supportive and palliative care services are already available in some low-income and middle-income countries. Full integration of supportive and palliative care into breast cancer programmes requires a systematic, resource-stratified approach. The Breast Health Global Initiative convened three expert panels to develop resource allocation recommendations for supportive and palliative care programmes in low-income and middle-income countries. Each panel focused on a specific phase of breast cancer care: during treatment, after treatment with curative intent (survivorship), and after diagnosis with metastatic disease. The panel consensus statements were published in October, 2013. This Executive Summary combines the three panels' recommendations into a single comprehensive document covering breast cancer care from diagnosis through curative treatment into survivorship, and metastatic disease and end-of-life care. The recommendations cover physical symptom management, pain management, monitoring and documentation, psychosocial and spiritual aspects of care, health professional education, and patient, family, and caregiver education.
    Matched MeSH terms: Breast Neoplasms/diagnosis
  8. Fulltext Relationship between body image and breast self-examination intentions and behavior among female university students in Malaysia
    Samah AA, Ahmadian M
    Asian Pac J Cancer Prev, 2014;15(21):9499-503.
    PMID: 25422246
    This study aimed to examine the relationship between body image satisfaction and breast self-screening behavior and intentions. The sample for this cross-sectional study consisted of 842 female university students who were recruited from a number of public and private universities. Data were obtained between the months of November and December, 2013, using multistage random cluster sampling. Main research variables were breast cancer screening behavior and intentions, demographic factors, and the total scores on each of the Multidimensional Body-Self Relations Questionnaire (MBSRQ-Appearance Scales) subscales. Results of multivariate analysis showed that having higher satisfaction and more positive evaluation of appearance were related to having performed breast self-examination more frequently in the last year and intending to perform breast self-examination more frequently in the next year. Longitudinal research can potentially provide detailed information about overall body image satisfaction and breast cancer screening behavior among various communities.
    Matched MeSH terms: Breast Neoplasms/diagnosis*
  9. Fulltext Awareness and prevalence of mammography screening and its predictors--a cross sectional study in a primary care clinic in Malaysia
    Yusof A, Chia YC, Hasni YM
    Asian Pac J Cancer Prev, 2014;15(19):8095-9.
    PMID: 25338990
    BACKGROUND: Worldwide, over half a million women died of breast cancer in 2011 alone. Mammography screening is associated with a reduction of 20 to 35% in breast cancer mortality. The aim of this study was to determine the awareness and practice of mammography screening and predictors of its uptake in Malaysian women attending a primary care clinic.

    MATERIALS AND METHODS: A cross-sectional study was carried out among women aged 40 to 74 years attending a primary care clinic in Selangor, Malaysia. An assisted structured questionnaire included questions on socio-demography, source of information and level of knowledge. An adapted version of the revised Champion Health Belief Model Scale plus other associated factors for mammography screening up-take were also included as part of the questionnaire. Predictors for mammography screening uptake were only determined in those who were aware about mammography screening. Significant predictors were determined by logistic regression.

    RESULTS: 447 women were recruited for this study; 99.1% of them (n: 411) were aware about breast cancer. Only 50.1% (n: 206) had knowledge about mammography screening. Prevalence of clinical breast-examination (CBE) was 23.3% (n: 104) and mammography screening up-take was 13.2% (n: 59). The predictors for the latter were those who have had clinical breast-examination (aOR=17.58, 95%CI: 7.68-39.82) and those aged between 50 to 59 years (aOR=3.94, 95%CI: 1.61-9.66) as well as those aged 60 years and above (aOR=6.91, 95%CI: 2.28-20.94). Good knowledge and positive beliefs about mammography screening were not associated with mammography screening uptake.

    CONCLUSIONS: Half of our Malaysian women were aware about mammography screening. However, the uptake of mammography was low. Previous CBE and older age were significant predictors of mammography screening uptake. Increasing CBE services may increase compliance with guidelines.
    Matched MeSH terms: Breast Neoplasms/diagnosis*
  10. Breast health in developing countries
    Yip CH, Taib NA
    Climacteric, 2014 Dec;17 Suppl 2:54-9.
    PMID: 25131779 DOI: 10.3109/13697137.2014.947255
    Breast cancer is one of the leading cancers world-wide. While the incidence in developing countries is lower than in developed countries, the mortality is much higher. Of the estimated 1 600 000 new cases of breast cancer globally in 2012, 794 000 were in the more developed world compared to 883 000 in the less developed world; however, there were 198 000 deaths in the more developed world compared to 324 000 in the less developed world (data from Globocan 2012, IARC). Survival from breast cancer depends on two main factors--early detection and optimal treatment. In developing countries, women present with late stages of disease. The barriers to early detection are physical, such as geographical isolation, financial as well as psychosocial, including lack of education, belief in traditional medicine and lack of autonomous decision-making in the male-dominated societies that prevail in the developing world. There are virtually no population-based breast cancer screening programs in developing countries. However, before any screening program can be implemented, there must be facilities to treat the cancers that are detected. Inadequate access to optimal treatment of breast cancer remains a problem. Lack of specialist manpower, facilities and anticancer drugs contribute to the suboptimal care that a woman with breast cancer in a low-income country receives. International groups such as the Breast Health Global Initiative were set up to develop economically feasible, clinical practice guidelines for breast cancer management to improve breast health outcomes in countries with limited resources.
    Matched MeSH terms: Breast Neoplasms/diagnosis*
  11. Fulltext In vivo and in vitro studies suggest a possible involvement of HPV infection in the early stage of breast carcinogenesis via APOBEC3B induction
    Ohba K, Ichiyama K, Yajima M, Gemma N, Nikaido M, Wu Q, et al.
    PLoS One, 2014;9(5):e97787.
    PMID: 24858917 DOI: 10.1371/journal.pone.0097787
    High prevalence of infection with high-risk human papilloma virus (HPV) ranging from 25 to 100% (average 31%) was observed in breast cancer (BC) patients in Singapore using novel DNA chip technology. Early stage of BC demonstrated higher HPV positivity, and BC positive for estrogen receptor (ER) showed significantly higher HPV infection rate. This unique association of HPV with BC in vivo prompted us to investigate a possible involvement of HPV in early stages of breast carcinogenesis. Using normal breast epithelial cells stably transfected with HPV-18, we showed apparent upregulation of mRNA for the cytidine deaminase, APOBEC3B (A3B) which is reported to be a source of mutations in BC. HPV-induced A3B overexpression caused significant γH2AX focus formation, and DNA breaks which were cancelled by shRNA to HPV18 E6, E7 and A3B. These results strongly suggest an active involvement of HPV in the early stage of BC carcinogenesis via A3B induction.
    Matched MeSH terms: Breast Neoplasms/diagnosis
  12. Fulltext Breast cancer awareness of rural women in Malaysia: is it the same as in the cities?
    Norlaili AA, Fatihah MA, Daliana NF, Maznah D
    Asian Pac J Cancer Prev, 2013;14(12):7161-4.
    PMID: 24460269
    Breast cancer is the most common cancer among women globally. This study was conducted to compare the awareness of breast cancer and the practice of breast self-examination (BSE), clinical breast examination (CBE) and mammography screening among rural females in Pahang and Perak. A cross-sectional study was carried out in five selected rural districts of Pahang and Perak. Two hundred and fifty households were randomly selected and interviewed face to face using a semi-structured questionnaire. The majority of residents from both states were Malay, aged between 50 and 60 years and had a secondary level of education. Malay women aged 40-49 years and women with a higher level of education were significantly more aware of breast cancer (p<0.05). About half of these women practiced BSE (60.7%) and CBE (56.1%), and 7% had underwent mammography screening. The results of this study suggest that women in Pahang and Perak have good awareness of breast cancer and that more than half practice BSE and CBE. The women's level of education appears to contribute to their level of knowledge and health behaviour. However, more effort is needed to encourage all women in rural areas to acquire further knowledge on breast cancer.
    Matched MeSH terms: Breast Neoplasms/diagnosis*
  13. Fulltext Breast cancer knowledge and screening behaviour among women with a positive family history: a cross sectional study
    Subramanian P, Oranye NO, Masri AM, Taib NA, Ahmad N
    Asian Pac J Cancer Prev, 2013;14(11):6783-90.
    PMID: 24377606
    BACKGROUND: Breast cancer is the commonest type of cancer among women, and in Malaysia 50-60% of the new cases are being detected at late stages. Do age, education level, income, ethnicity, relationship with breast cancer patients and knowledge of breast cancer risk factors influence breast screening practices? This study revealed interesting but significant differences.

    OBJECTIVES: To assess the knowledge of breast cancer risk factors and early detection measures among women in a high risk group.

    MATERIALS AND METHODS: A cross sectional survey of one hundred and thirty one women relatives of breast cancer patients was carried out. Participants were selected through purposive sampling, during hospital visits. A self-administered questionnaire was used for data collection.

    RESULTS: The majority of the respondents (71%) had poor knowledge of the risk factors for breast cancer. Income, relationship with a patient and practise of breast cancer screening predicted performance of mammography, R2=0.467, F=12.568, p<0.0001.

    CONCLUSIONS: The finding shows inadequate knowledge of breast cancer risk factors and poor cancer screening practise among women with family history of breast cancer. Poor knowledge and practise of breast screening are likely to lead to late stage presentation of breast cancer disease. Some important predictors of breast cancer screening behaviour among women with positive family history of breast cancer were identified. An understanding of the strengths and significance of the association between these factors and breast screening behaviour is vital for developing more targeted breast health promotion.
    Matched MeSH terms: Breast Neoplasms/diagnosis
  14. Improved diagnostic accuracy in differentiating malignant and benign lesions using single-voxel proton MRS of the breast at 3 T MRI
    Suppiah S, Rahmat K, Mohd-Shah MN, Azlan CA, Tan LK, Aziz YF, et al.
    Clin Radiol, 2013 Sep;68(9):e502-10.
    PMID: 23706826 DOI: 10.1016/j.crad.2013.04.002
    To investigate the diagnostic accuracy of single-voxel proton magnetic resonance spectroscopy (SV (1)H MRS) by quantifying total choline-containing compounds (tCho) in differentiating malignant from benign lesions, and subsequently, to analyse the relationship of tCho levels in malignant breast lesions with their histopathological subtypes.
    Matched MeSH terms: Breast Neoplasms/diagnosis*
  15. Practice and barriers of mammography among Malaysian women in the general population
    Al-Naggar RA, Bobryshev YV
    Asian Pac J Cancer Prev, 2012;13(8):3595-600.
    PMID: 23098439
    OBJECTIVE: The objective of this study was to determine the practice and barriers of mammography and associated factors among Malaysian women in the general population.

    METHODOLOGY: A cross-sectional study was conducted among 200 women in Shah Alam, Selangor; Malaysia. The questionnaire contained 27 questions and was comprised of two sections; socio-demographic characteristics and practices, knowledge and barriers of mammography. All the data were analyzed using the Statistical Package for the Social Sciences (SPSS) 13.0.

    RESULTS: Of the 200 Malaysian women who participated in this study, the majority were under the age of 50 years (65.5%), Malay (86%), and married (94.5%). Regarding any family history of cancer in general, the majority of the participants had none (78%). However, some did report a close relative with breast cancer (16.5%). While the majority of them knew about mammography (68%), 15% had had a mammogram once in their life and only 2% had the procedure every two or three years. Univariate analysis showed that age, family history of cancer, family history of breast cancer, regular supplement intake, regular medical check-up and knowledge about mammogram were significantly associated with mammogram practice among the general population (p=0.007, p=0.043, P=0.015, p=0.01, p=0.001, p<0.001; respectively). Multivariate analysis using multiple linear regression test showed that age, regular medical check-up and knowledge about mammography testing were statistically associated with the practice of mammography among the general population in Malaysia (p=0.035, p=0.015 and p<0.001; respectively). Lack of time, lack of knowledge, not knowing where to go for the test and a fear of the test result were the most important barriers (42.5%, 32%, 21%, 20%; respectively).

    CONCLUSION: The practice of mammogram screening is low among Malaysian women.

    Matched MeSH terms: Breast Neoplasms/diagnosis
  16. Fulltext Practice of breast self-examination among women in Malaysia
    Al-Naggar RA, Bobryshev YV, Al-Jashamy K
    Asian Pac J Cancer Prev, 2012;13(8):3829-33.
    PMID: 23098479
    OBJECTIVES: The objective of this study was to examine the practice and associated factors of breast self- examination (BSE) among Malaysian women.

    METHODS: For this cross-sectional study 250 women were selected by a simple random sampling technique. The questionnaire was consisted of three parts: socio-demographic characteristics, knowledge about BSE, and practice of BSE. Obtained data was analyzed using SPSS version 13. T-test and ANOVA test were used to explore the relation between socio-demographic characteristics and the practice of BSE.

    RESULTS: About 32% of the participants reported that they have had family history of cancer and about 20% of the participants reported that they have had family history of breast cancer. The majority of the participants (88.8%) have heard about breast cancer and 78.4% of the participants have heard about BSE. Race, marital status, residency, regular exercise, awareness about breast cancer, belief that breast cancer can be detected early, belief that early detection improves the chance of survival, family history of cancer, family history of breast cancer, awareness about BSE, and belief that BSE is necessary, significantly influenced the practice of BSE among women. Practice of BSE on monthly basis was found to be 47.2% among the study participants.

    CONCLUSION: The socio-demographic characteristics significantly influence the practice of BSA among women in Malaysia. The findings of this study might not only influence the planning of specific screening interventions and strategies in Malaysia but might also be important for the relevant international communities, interested in the peculiarities of BSE incidence in different countries.
    Matched MeSH terms: Breast Neoplasms/diagnosis
  17. Fulltext Predictors of mammography screening among Iranian women attending outpatient clinics in Tehran, Iran
    Ahmadian M, Samah AA, Redzuan M, Emby Z
    Asian Pac J Cancer Prev, 2012;13(3):969-74.
    PMID: 22631681
    Mammography utilization is low in Iran compared with other countries. Here a cross-sectional survey design was used to investigate psycho-social and individual factors associated with mammography among 400 women asymptomatic of breast cancer. The study was carried out at the four outpatient clinics of Tehran during the period from July through October, 2009. We found that mammography screening was related to higher self-efficacy and women's occupation. Future tailored interventions on potential psycho-social determinants and specific demographic factors are critical in increasing mammography screening rates among Iranian women.
    Matched MeSH terms: Breast Neoplasms/diagnosis
  18. Fulltext An analysis of predictive biomarkers in routine histopathological reporting of infiltrating ductal breast carcinoma in a tertiary hospital in Malaysia with a focus on limitations and directions for future development
    Teoh KH, Looi LM, Sabaratnam S, Cheah PL, Nazarina AR, Mun KS
    Malays J Pathol, 2011 Jun;33(1):35-42.
    PMID: 21874750 MyJurnal
    Predictive biomarkers such as oestrogen (ER) and progesterone (PR) receptors and c-erbB-2 oncoprotein have become a staple in breast cancer reports in the country as they increasingly play an important role in the treatment and prognosis of women with breast cancers. This study reviews the practice of histopathology reporting of these biomarkers in a Malaysian tertiary hospital setting. Retrospective data on demographic, pathological and biomarker profiles of patients with invasive ductal carcinoma who had undergone mastectomy or lumpectomy with axillary node clearance from 2005 to 2006 were retrieved from the Department of Pathology, Penang Hospital and analysed. The prevalence of ER positivity (55.8%), PR positivity (52.5%), c-erbB-2 oncoprotein overexpression (24%) and triple negativity (ER negative, PR negative, c-erbB-2 negative) (15%) by immunohistochemistry were comparable with other studies. Notably, c-erbB-2 overexpression was equivocal (2+) in 15% of cases. Since about a quarter of equivocal (2+) cases usually show amplification by FISH, a small but certain percentage of patients would miss the benefit of anti-c-erbB-2 antibody therapy if FISH is not performed. New ASCO/CAP guidelines on the quantitation of ER and PR will probably increase the prevalence of ER/PR positivity, invariably leading to significant ramifications on the management of patients as more patients would be deemed eligible for endocrine therapy, as well as categorisation of triple negative breast cancers.
    Matched MeSH terms: Breast Neoplasms/diagnosis
  19. Generation and characterization of a high-affinity monoclonal antibody for MUC1 measurement in breast cancer
    Hamid SS, Cheah SH
    Hybridoma (Larchmt), 2011 Apr;30(2):137-43.
    PMID: 21529286 DOI: 10.1089/hyb.2010.0091
    Breast mucin is secreted by breast tumor cells and serves as a marker for breast cancer. Thus, antibodies against breast mucin will be valuable in the development of immunotherapy and laboratory diagnostic tests. Monoclonal antibodies (MAbs) against breast cancer-associated antigen were generated and characterized. Balb/c mice were immunized with breast cancer-associated antigen CA15-3, and subsequently splenocytes from immunized mice were fused with myeloma cells. After fusion, culture supernatants from hybridomas surviving HAT medium were screened by enzyme-linked immunosorbent assay (ELISA). A total of eight hybridomas producing MAbs against breast cancer showed significant levels of antibody activity against CA15-3. Two selected stable hybridomas were adapted into CELLine CL 350 bioreactors, and the MAbs produced were characterized for their subclass, specificity, and affinity. The MAbs were of high specificity and affinity as shown by ELISA. The MAbs produced may represent a powerful tool and are considered promising reagents for use in diagnosis and detection of early stage of the disease.
    Matched MeSH terms: Breast Neoplasms/diagnosis
  20. Awareness of breast cancer and screening procedures among Malaysian women
    Kanaga KC, Nithiya J, Shatirah MF
    Asian Pac J Cancer Prev, 2011;12(8):1965-7.
    PMID: 22292634
    Breast cancer is the most frequently occurring cancer in women globally and early detection increases the survival rate of patients. Therefore, this study was done to determine factors which influence the awareness of breast cancer and practice of screening procedures. A cross-sectional study was performed on 125 women aged 19-60 years in urban and rural areas in Malaysia using a validated questionnaire covering knowledge of breast cancer and screening practices. A total of 99.2% respondents knew that breast cancer is the leading cancer with a mean knowledge of 67.3 ± 15.3% for urban and 50.2 ± 14.7% for rural women Mann Whitney U showed rural women had significantly less awareness compared to urban women (p< 0.05). Spearman correlation test showed a significant positive relationship between education and awareness (p< 0.05). Regarding awareness of the screening methods, 92.8%, 50.4% and 47.2% of respondents correctly answered questions on capability of BSE, CBE and mammography, respectively. In conclusion, the study showed awareness of breast cancer and practice of screening procedures increases with higher education and urban living. Therefore, there is an urgent need for an intensive breast cancer awareness campaign and availablity of screening centres prioritized in rural areas.
    Matched MeSH terms: Breast Neoplasms/diagnosis*
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