Male breast cancer: a 32-year retrospective analysis in radiation therapy referral center in northern Iran

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Background: Breast cancer commonly occurs in women, and male breast cancer makes up less than 1% of all cases of breast cancer. The limited prevalence of male breast cancer has led to decreased attention being paid to this condition, resulting in its diagnosis occurring at later ages and at more severe disease stages. Objectives: This study evaluates the demographic and clinicopathological characteristics of male patients diagnosed with breast cancer who visited the northern region of Iran from 1992 to 2023. Methods: This descriptive study reviewed data from 58 cases of male breast cancer between 1992 and 2023. The study aimed to examine and describe the information connected to these patients. The data were analyzed with SPSS.22 set at P value less than 0.05. Results: The mean age of the patients examined was 62.10±13.40 years, while their mean BMI was 27.08±4.95. The study found no statistically significant correlation between BMI with stage and kinds of recurrence, including metastasis and local recurrence (P>0.05). The right and left breast involvement rates were equal (48.28%) in 28 cases, and 2 cases (3.40%) had bilateral involvement. The bone was the predominant site of metastasis, accounting for 69.23% of cases. The analysis revealed no significant correlation between stage and metastasis (P=1.000) or local recurrence (P=0.543). Most metastasis and all the local recurrence were observed in stages 3 and 4. Conclusion: Male breast cancer mainly occurs in older age and is diagnosed in the advanced stages of the disease. Therefore, it is recommended to inform men and develop suitable screening programs, especially in high-risk families.