TY - JOUR ID - 29357 TI - Differences Between Breast Cancer Patients Younger and Older than 40 Years: Mammographic Findings JO - Asian Pacific Journal of Cancer Prevention JA - APJCP LA - en SN - 1513-7368 Y1 - 2014 PY - 2014 VL - 15 IS - 12 SP - 4929 EP - 4932 KW - breast cancer KW - mammography findings KW - age-dependence KW - mass margins KW - Microcalcification DO - N2 - Objective: To compare the mammogarphic appearance between breast cancer patients aged <40 and ≥40 years. Methods: Needle localization and biopsy of suspicious mammographic lesions identified 1,959 breast carcinomas in a single institution from Jun 2012 to Apr 2013. According to the age, we divided patients into two groups: <40 and ≥40 years old, and analyzed mammographic appearance separately. Results: Young patients had 44.2% foci with calcification, but old patients only had 39.4% (P<0.001). In younger group, the ratios of cases according to mass density were 41.8% or higher, 58.2% equivalent and lower. In older group, the ratios were 55.5 % and 44.5%, respectively. There were statistical differences between high density and others (P<0.05). The ratios of cases according to mass margin were 13.9% circumscribed and microlobulated, 86.1% indistinct and spiculated in the younger group, as compared to 6.5% and 93.5%, respectively, in the older group (P<0.05). Conclusions: Mammographic findings differ between young and old patients with breast cancer, for example regarding mass density, mass margin and microcalcification ratios. UR - https://journal.waocp.org/article_29357.html L1 - https://journal.waocp.org/article_29357_7eefc7be78a96756f568829761721eed.pdf ER -