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Age-specific incidence rates of in situ breast carcinomas by histologic type, 1980 to 2001.
Cancer Epidemiol Biomarkers Prev. 2005 Apr; 14(4):1008-11.CE

Abstract

Incidence rates of ductal carcinoma in situ (DCIS) and lobular carcinoma in situ (LCIS) have increased rapidly over the past several decades largely due to the increased use of mammography. However, recent data from 1987 to 1999 indicate that invasive ductal carcinoma incidence rates have remained essentially constant, whereas rates of invasive lobular carcinoma have increased 65%, with greater increases observed among postmenopausal women. Data on recent trends in DCIS and LCIS incidence rates, particularly age-specific trends, are lacking. We evaluated trends in the incidence rates of DCIS overall, noncomedo DCIS, comedo DCIS, and LCIS using data from nine Surveillance, Epidemiology, and End Results cancer registries. DCIS incidence rates increased 7.2-fold [95% confidence interval (95% CI), 6.8-7.7] from 1980 to 2001, 1.8-fold (95% CI, 1.7-1.9) over the past 10 years (1992-2001), and 1.1-fold (95% CI, 1.0-1.2) over the past 5 years (1997-2001). The magnitudes of these increases were highest among women ages > or = 50 years. Furthermore, over the past 10- and 5-year periods, rates of noncomedo DCIS have generally increased across all age groups, whereas rates of comedo DCIS held constant or decreased. LCIS incidence rates increased 2.6-fold (95% CI, 2.3-2.9) from 1980 to 2001, 1.3-fold (95% CI, 1.2-1.5) over the past 10 years, and 1.1-fold (95% CI, 1.0-1.3) over the past 5 years. Similar to invasive lobular carcinoma, but unlike invasive ductal carcinoma, incidence rates of both DCIS and LCIS continue to increase in the United States primarily among older women. These trends present important public health and clinical challenges.

Authors+Show Affiliations

Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, M4-C308, P.O. Box 19024, Seattle, WA 98109-1024, USA. cili@fhcrc.orgNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

15824180

Citation

Li, Christopher I., et al. "Age-specific Incidence Rates of in Situ Breast Carcinomas By Histologic Type, 1980 to 2001." Cancer Epidemiology, Biomarkers & Prevention : a Publication of the American Association for Cancer Research, Cosponsored By the American Society of Preventive Oncology, vol. 14, no. 4, 2005, pp. 1008-11.
Li CI, Daling JR, Malone KE. Age-specific incidence rates of in situ breast carcinomas by histologic type, 1980 to 2001. Cancer Epidemiol Biomarkers Prev. 2005;14(4):1008-11.
Li, C. I., Daling, J. R., & Malone, K. E. (2005). Age-specific incidence rates of in situ breast carcinomas by histologic type, 1980 to 2001. Cancer Epidemiology, Biomarkers & Prevention : a Publication of the American Association for Cancer Research, Cosponsored By the American Society of Preventive Oncology, 14(4), 1008-11.
Li CI, Daling JR, Malone KE. Age-specific Incidence Rates of in Situ Breast Carcinomas By Histologic Type, 1980 to 2001. Cancer Epidemiol Biomarkers Prev. 2005;14(4):1008-11. PubMed PMID: 15824180.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Age-specific incidence rates of in situ breast carcinomas by histologic type, 1980 to 2001. AU - Li,Christopher I, AU - Daling,Janet R, AU - Malone,Kathleen E, PY - 2005/4/13/pubmed PY - 2005/6/29/medline PY - 2005/4/13/entrez SP - 1008 EP - 11 JF - Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology JO - Cancer Epidemiol. Biomarkers Prev. VL - 14 IS - 4 N2 - Incidence rates of ductal carcinoma in situ (DCIS) and lobular carcinoma in situ (LCIS) have increased rapidly over the past several decades largely due to the increased use of mammography. However, recent data from 1987 to 1999 indicate that invasive ductal carcinoma incidence rates have remained essentially constant, whereas rates of invasive lobular carcinoma have increased 65%, with greater increases observed among postmenopausal women. Data on recent trends in DCIS and LCIS incidence rates, particularly age-specific trends, are lacking. We evaluated trends in the incidence rates of DCIS overall, noncomedo DCIS, comedo DCIS, and LCIS using data from nine Surveillance, Epidemiology, and End Results cancer registries. DCIS incidence rates increased 7.2-fold [95% confidence interval (95% CI), 6.8-7.7] from 1980 to 2001, 1.8-fold (95% CI, 1.7-1.9) over the past 10 years (1992-2001), and 1.1-fold (95% CI, 1.0-1.2) over the past 5 years (1997-2001). The magnitudes of these increases were highest among women ages > or = 50 years. Furthermore, over the past 10- and 5-year periods, rates of noncomedo DCIS have generally increased across all age groups, whereas rates of comedo DCIS held constant or decreased. LCIS incidence rates increased 2.6-fold (95% CI, 2.3-2.9) from 1980 to 2001, 1.3-fold (95% CI, 1.2-1.5) over the past 10 years, and 1.1-fold (95% CI, 1.0-1.3) over the past 5 years. Similar to invasive lobular carcinoma, but unlike invasive ductal carcinoma, incidence rates of both DCIS and LCIS continue to increase in the United States primarily among older women. These trends present important public health and clinical challenges. SN - 1055-9965 UR - https://www.unboundmedicine.com/medline/citation/15824180/Age_specific_incidence_rates_of_in_situ_breast_carcinomas_by_histologic_type_1980_to_2001_ L2 - http://cebp.aacrjournals.org/cgi/pmidlookup?view=long&pmid=15824180 DB - PRIME DP - Unbound Medicine ER -