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Factors affecting rise in the incidence of infiltrating lobular carcinoma of the breast.
MedLine Citation:
PMID:  21243872     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND: Infiltrating ductal carcinoma and infiltrating lobular carcinoma account for more than 90% of all invrasive breast cancer histological types. The rate of lLC is reported to be increasing steadily in the United States and Europe.
OBJECTIVES: To describe the trend in the incidence of ILC in a large cohort of patients who underwent surgery in a single institution over an 18 year period. METHODS Our comprehensive database of 2175 consecutive patients with invasive breast cancer diagnosed during the period 1992-2009 served for the analysis. Several potential factors associated with lobular carcinoma as compared with ductal carcinoma were evaluated.
RESULTS: During this period, a 2.4-fold increase in the incidence of pure ILC was noted, from 4.6% in theyears 1992-1994 to 10.9% in 2004-2006, followed by a modest decrease to 8.7% in 2007-2009. A significant association of lobular malignancies with external hormonal use was noted, including hormone replacement therapy exposure in patients diagnosed at age 50-64, and ovarian overstimulation during in vitro fertilization in those diagnosed at age 50 or less
CONCLUSIONS: Better diagnostic tools - such as the liberal use of ultrasound and magnetic resonance imaging- and more accurate pathological definition for ILC type appear to influence the changes in the incidence of ILC in the subgroups of invasive breast cancer.
Authors:
Bar Chikman; Ron Lavy; Tima Davidson; Ian Wassermann; Judith Sandbank; Nava Siegelmann-Danieli; Ariel Halevy
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Israel Medical Association journal : IMAJ     Volume:  12     ISSN:  1565-1088     ISO Abbreviation:  Isr. Med. Assoc. J.     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2011-01-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100930740     Medline TA:  Isr Med Assoc J     Country:  Israel    
Other Details:
Languages:  eng     Pagination:  697-700     Citation Subset:  IM    
Affiliation:
Division of Surgery, Assaf Harofeh Medical Center, Zerifin, Israel.
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