Abstract:
:Epidemiologic variables related to breast cancer risk were assessed in a case-control study of 332 women with breast carcinoma and 1353 comparison women. Risk factors for breast cancer as a whole included nulliparity, late age at first childbirth, early age at menarche, late age at menopause, personal history of benign breast disease, family history of breast cancer, and among postmenopausal women, body weight. These risk factors were then analyzed with respect to histologic subtype of breast cancer involved, i.e., duct-derived or lobular tumors, to determine whether the association between any of the risk factors and breast cancer varied according to histopathologic subtype. Histologic subtype for the 316 cases reviewed included 284 duct cancers and 32 lobular carcinomas. Although slight differences were noted among some of the risk factors and the variety of cancer, none of the differences was marked except for the variable age at birth birth. For ductal carcinoma, the risk was highest among nulliparous women and decreased the younger a woman was at the time she gave birth to her first child. The risk of infiltrating lobular carcinoma, however, was lowest among nulliparous females or those who had given birth at a young age and increased the older a woman was when she gave birth to her first child.
journal_name
Cancerjournal_title
Cancerauthors
LiVolsi VA,Kelsey JL,Fischer DB,Holford TR,Mostow ED,Goldenberg ISdoi
10.1002/1097-0142(19820501)49:9<1937::aid-cncr2820subject
Has Abstractpub_date
1982-05-01 00:00:00pages
1937-40issue
9eissn
0008-543Xissn
1097-0142journal_volume
49pub_type
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