Ethnic disparity in breast cancer survival in southern Thai women

Virani, Shama; Wetzel, Elizabeth; Laohawiriyakamol, Suphawat; Boonyaphiphat, Pleumjit; Geater, Alan; Kleer, Celina G.; Pang, Judy; Rentschler, Katie M.; Colacino, Justin A.; Leon, Carlos F. Mendes de; Rozek, Laura S.; Sriplung, Hutcha

doi:10.1016/j.canep.2018.02.007

Cited by 11 publications

(11 citation statements)

References 21 publications

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“…The distribution of female breast cancer subtypes in the US population and our Chiang Mai population are different. The proportion of luminal A-like was much higher and HER2 was moderately lower in the US population compared to our Chiang Mai population, but the distribution of our population was likely closer to other studies among the Thai population [10,12,15], despite that these Thai studies were not population-based study and were conducted in different parts of Thailand. Therefore, the distributions of female breast cancer by subtypes using population-based data in different parts of Thailand are recommended.…”

Section: Discussionsupporting

confidence: 61%

“…As found in the results of hospital-based studies [10,12,15], the proportions of clinical subtypes of breast cancer were different in different parts of Thailand. Thus, the trends in incidence of breast cancer by clinical subtypes are likely to be different between sets of regions.…”

Section: Discussionmentioning

confidence: 81%

“…The most recent study in southern Thailand [15] reported, 46%, 28%, 13%, and 13%, respectively, of the subtypes luminal A-like, luminal B-like, HER2, and triple-negative subtypes among 635 female breast cancer patients for whom clinical subtype information was available in 2010-2012. The proportion of luminal A-like in our study was the same as the southern Thailand study.…”

Section: Discussionmentioning

confidence: 99%

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Clinical subtypes of breast cancer in Thai women: a population-based study of Chiang Mai province

et al. 2019

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Background The change over time of distribution of breast cancer subtypes using population-based data has not been reported. Objective To describe the change over time of the distribution of female breast cancer by clinical subtype among the population in Chiang Mai, Thailand. Methods Data of breast cancer patients from Chiang Mai Cancer Registry, diagnosed from 2004 to 2013 were combined with immunohistochemical status from medical record, and used to describe the proportions of clinical breast cancer subtypes: (1) luminal A-like (ER+/PR+ and HER2-), (2) luminal B-like (ER+/PR+ and HER2+), (3) HER2 (ER- and PR- and HER2+), (4) triple-negative (ER- and PR- and HER2-). The distribution of breast cancer subtypes by age group was also described. Results Among 3,228 female breast cancer cases diagnosed during 2004–2013, the median age was 52 years and most patients presented at the regional stage. The unknown tumor subtype was lower than 25% in the periods 2008– 2009, 2010–2011, and 2012–2013. In those periods, the proportions of luminal A-like were 33%, 36%, and 48%; the proportions of luminal B-like were 14%, 20%, and 16%, the proportions of HER2 were 15%, 14%, and 13%; and the proportions of triple-negative were 16%, 14%, and 13%, respectively. In comparison with other groups, women aged ≥60 years had a significantly higher proportion of luminal A-like (P = 0.001), while women aged <40 years tended to have a higher proportion of triple-negative (P = 0.10). Conclusions The proportion of breast cancer with luminal subtypes is increasing. Thus, in the future, treatment protocols with a variety of hormone therapies should be provided in order to improve efficacy and coverage of treatment for this population.

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Section: Discussionsupporting

confidence: 61%

Section: Discussionmentioning

confidence: 81%

Section: Discussionmentioning

confidence: 99%

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Clinical subtypes of breast cancer in Thai women: a population-based study of Chiang Mai province

et al. 2019

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“…16 There are a number of studies from Thailand, which examined breast cancer biomarker profiles in various regions (Table 6). 10,[18][19][20][21][22][23][24][25] Similar to the index study conducted by Koonmee et al, 10 the majority of the Thai studies showed a rather low ER+ and higher than expected triple-negative breast cancer rates among Thai women. The range of ER+ cancers was as low as 50%, and the triplenegative rate ranged from 13% to 23%.…”

Section: Discussionmentioning

confidence: 53%

Pathum Raksa Project: Addressing Disparity in Breast Cancer Care Through National Innovation in Thailand

Koonmee¹,

Somintara²,

Intarawichian³

et al. 2021

CMAR

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“…[123] including developed and developing countries and the leading cause of cancer mortality among women. [45] Breast cancer incidence trends are different among countries, likely due to their ethnic and cultural background,[6] and there are several factors implicated to the etiology of breast cancer which may differ for different geographical locations. [7] A number of risk factors for breast cancer have been established including age, reproductive factors, such as early menarche, late menopause, age at first life birth >30 year, nulliparity, family history, previous breast biopsy, genetics, and hormonal use.…”

Section: Introductionmentioning

confidence: 99%

Risk factors assessment of breast cancer among Iraqi Kurdish women: Case-control study

Ghalib

Ali²,

Karim³

et al. 2019

J Family Med Prim Care

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Background:To our knowledge, there is no international publication on risk factors of breast cancer among Kurdish women. There are several risk factors of breast cancer may differ in different geographical cultures. The aims of this study are to assess the established and probable risk factors of breast cancer among Iraqi Kurdish women as well as to investigate the effect of some Mediterranean food items on this issue.Materials and Methods:This retrospective case-control study was constructed in Sulaimanyah governorate-Iraq. Data were collected regarding socio-demographic characters, established risk factors, and dietary habits of 338 cases that were registered in Sulaimanyah Breast Center during January 2015-February 2019 with collection of same items for 338 age-matched controls.Results:The marriage was appeared to be a protective factor with (OR = 0.596, CI: 0.364-0.974, P = 0.039). Age at menarche ≥14 years has a protective effect with (OR: 0.326, P = 0.027) and 152 cases (45.0%) had menarche at ≤12 years compared to 56 controls (16.6%) with (P = 0.000). Numbers of children ≥ 3, regular exercise, and breastfeeding for >48 months duration have protective role. Consumption of fast foods and some Mediterranean foods weekly >2 times are risk factors, while taking stewed meat weekly one time, fish weekly ≥1 time, fruit daily>1 time and vegetables daily≥1 time, and black tea daily >3 cups have preventative effect on breast cancer.Conclusion:Among Kurdish women, some items of Mediterranean food have the same causative effect as fast food items. Marriages, consumption of stewed meat, fish, fruit, vegetables, and black tea may have preventative effect.

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Ethnic disparity in breast cancer survival in southern Thai women

Cited by 11 publications

References 21 publications

Clinical subtypes of breast cancer in Thai women: a population-based study of Chiang Mai province

Clinical subtypes of breast cancer in Thai women: a population-based study of Chiang Mai province

Pathum Raksa Project: Addressing Disparity in Breast Cancer Care Through National Innovation in Thailand

Risk factors assessment of breast cancer among Iraqi Kurdish women: Case-control study

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