The effect of climatic and geographical factors on breast cancer in Iran

Maryanaji, Zohreh

doi:10.1186/s13104-020-05368-9

Cited by 10 publications

(10 citation statements)

References 25 publications

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“…In western countries, breast cancer is mainly observed in ages over 50, while based on some studies conducted in Iran in 2018, the number of breast cancer patients aged between 40 and 49 is higher than in other age groups. In addition, the number of younger patients in Iran is higher than that of the Western countries ( 7 ). Social support as one of the most emotional coping mechanisms is recognized as the greatest and most powerful coping force for patients to cope with cancer and its stressful conditions successfully and effectively ( 8 , 9 ).…”

Section: Introductionmentioning

confidence: 97%

Social support and meaning of life in women with breast cancer

Jadidi¹,

Ameri²

2022

Ethiop J Health Sci

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BACKGROUND: Social support is known as an affection-oriented coping mechanism when a person is involved with cancer. Therefore, this study was conducted to investigate the relationship between family social support and the meaning of life in women with breast cancer.METHODS: In this cross-sectional study, 84 women with a mean age of 60 (SD = 5.7) years with breast cancer who were admitted to a teaching hospital participated. Data were collected using social support and meaning of life questionnaires. After collecting the completed questionnaires and entering the data into the computer, the analysis was performed using SPSS software and using t-test, ANOVA, and Pearson correlation test at a significant level of 0.01.RESULTS: The mean score of their social support was 39.35 ± 9.51, respectively and the meaning of life was 29.5 ± 7.49. ANOVA results indicated that the social support score and meaning of life had no significant relationship with any of the demographic variables. Also, the findings suggest that there is a statistically significant correlation between social support and the meaning of life (r = 0.773, P < 0.001).CONCLUSION: It is proposed to increase the level of social support from the family to help improve the meaning of life in cancer patients.

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Section: Introductionmentioning

confidence: 97%

Social support and meaning of life in women with breast cancer

Jadidi¹,

Ameri²

2022

Ethiop J Health Sci

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“…This may be as a result of differences in climate, environmental factors, culture, dietary, and other social patterns that exist between the two regions. These factors are known to have influence on the incidence of breast cancer generally [29]. The proportions of AYAs with breast cancer in the northern and southern regions were similar at 32.2% and 31.5%, respectively (Table 4).…”

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confidence: 93%

Breast Cancer in Adolescents and Young Adults Less Than 40 Years of Age in Nigeria: A Retrospective Analysis

Ntekim

Oluwasanu

Odukoya

2022

International Journal of Breast Cancer

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Background. Breast cancer among adolescents and young adult (AYA) females aged 15-39 years is associated with different patterns of aggressiveness, as well as psychosocial and economic issues. At present, the burden of breast cancer among this age group is unknown in Nigeria. There is a need to determine the proportion of AYA with breast cancer in Nigeria. This will inform the development of breast cancer care programs appropriate for this age group. Objective. The objective of this study was to highlight the burden of breast cancer with an emphasis on AYAs in Nigeria and its implications. Methods. A retrospective review of data from cancer registries in Nigeria between 2009 and 2016 was carried out. Results. Among AYA females in Nigeria, breast cancer was by far the most common cancer, constituting 50% of all cancers and 51% (2798 of 5469) of all breast cancer cases. IA third (30.8%) of breast cancer cases in all centers studied were AYAs. Conclusion. The high proportion of AYA with breast cancer is an important feature suggesting that urgent actions are required to ensure early detection and improve breast cancer care among this age group.

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“…Previous evidence suggested that high-altitude populations were at higher risk for breast cancer, compared with lowaltitude populations. And mounting evidence presented various differences of gene expression during breast cancer process between high-and low-altitude populations (12). Compared to low-altitude regions, the most obvious distinctions of high-altitude regions are intense ultraviolet radiation, hypoxia, and low pressure.…”

Section: Discussionmentioning

confidence: 99%

Clinicopathological characteristics and features of molecular subtypes of breast cancer at high altitudes

et al. 2023

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BackgroundBreast cancer is one of the major malignancies threatening women’s health worldwide. The incidence of breast cancer at high altitudes increased over the years. But few studies focused on the characteristics of clinicopathology and molecular subtypes among breast cancer at high altitudes, which are still unknown. Tibet, with an average altitude over 4000 meters, is a representative city at high altitudes, lying in the Qinghai-Tibetan Plateau in southwestern China. This study aimed to identify the clinicopathological characteristics and features of molecular subtypes among Tibetan women with breast cancer, and provide evidence for cancer prevention and personalized therapeutics in high-altitude regions.MethodsBetween May 2013 and March 2022, 104 Tibetan women from high-altitude regions (Tibetan-group) and 34 Han Chinese women from low-altitude regions (Han-group), consecutively diagnosed with breast cancer in the Hospital of Chengdu Office of People’s Government of Tibetan Autonomous Region, were included in the study. We retrospectively reviewed the clinical character, altitudes of residence, tumor size, lymph nodes metastasis, distant metastasis, pathological type, immunohistochemical index, and molecular subtype.ResultsIn the study, we calculated the patient delay, equal to the period from symptoms onset to hospital visits. The patient delay of Tibetan-group was 7.47 ± 11.53 months, which was significantly longer than that of Han-group, 7.22 ± 22.96 months (p<0.05). Body Mass Index (BMI) was significantly different (p<0.05). Tumors in Tibetan-group were significantly larger than those in Han-group, 4.13 ± 2.98cm and 2.51 ± 0.82cm in diameter, respectively (p<0.05). According to ordinal logistic regression analysis, exposure to high altitudes might result in more advanced T stage (OR=2.45 95%CI 1.10-5.44). 41.3% (43/104) of cases in Tibetan-group had lymph node positive disease, whereas the percentage was found in 38.26% (13/34) in Han-group(p<0.05). The distribution of molecular subtypes was quite significantly different between two groups (p<0.05), according to the comparison of constituent ratios.ConclusionOur study verified that breast cancer at high altitudes possessed its own unique clinicopathological characteristics and distinct features of molecular subtypes. It broadened the understanding of this heterogenous disease and also provided valuable evidence for cancer prevention and personalized therapeutics of breast cancer at high altitudes.

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The effect of climatic and geographical factors on breast cancer in Iran

Cited by 10 publications

References 25 publications

Social support and meaning of life in women with breast cancer

Social support and meaning of life in women with breast cancer

Breast Cancer in Adolescents and Young Adults Less Than 40 Years of Age in Nigeria: A Retrospective Analysis

Clinicopathological characteristics and features of molecular subtypes of breast cancer at high altitudes

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