ISSN: 1899-0967
Polish Journal of Radiology
Established by prof. Zygmunt Grudziński in 1926 Sun
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1/2021
vol. 86
 
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Breast radiology
abstract:
Original paper

Invasive lobular carcinoma mammographic findings: correlation with age, breast composition, and tumour size

Corrado Tagliati
1
,
Federico Cerimele
2
,
Antonietta Di Martino
1
,
Fabrizio Capone
1
,
Marialuisa Di Matteo
1
,
Nevia Caputo
1
,
Gabriella Lucidi Pressanti
1
,
Ying Mingliang
3
,
Silvia Baldassarre
2
,
Andrea Giovagnoni
2
,
Gian Marco Giuseppetti
2

1.
U.O. Radiologia, ASL Teramo, Italy
2.
Department of Radiological Sciences, Azienda Ospedaliero Universitaria Ospedali Riuniti, Università Politecnica delle Marche, Ancona, Italy
3.
Department of Radiology, Jinhua Municipal Central Hospital, Jinhua, Zhejiang, China
Pol J Radiol 2021; 86: e353-e358
Online publish date: 2021/06/11
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Introduction
The aim of this study was to evaluate mammographic findings associated with invasive lobular carcinoma in different age groups, taking into account breast composition and tumour size.

Material and methods
A total of 1023 invasive lobular carcinoma preoperative mammograms were evaluated. According to the American College of Radiology Breast Imaging Reporting and Data System, cancer mammographic findings were classified as mass, calcifications, architectural distortion, and asymmetry, and breasts were assessed as dense (C or D breast composition) or non-dense (A or B). The patient cohort was subdivided into 3 age groups (< 50, 50-69, ≥ 70 years of age). In order to make the size and age groups dichotomous variables and to perform multiple regression analysis, a cut-off of 10 mm was chosen for tumour size, and < 50-years-old and 50-69-years-old age groups were grouped together (< 70-years-old age group).

Results
Significant results of multivariate analysis were the association between mass finding and non-dense breasts and size ≥ 10 mm (p < 0.0001), between calcifications, and dense breasts, size < 10 mm and < 70-years-old age group (p < 0.0001), between distortion and < 70-years-old age group (p = 0.0366), and between asymmetry and ≥ 70-years-old age group (p = 0.0090).

Conclusions
Various mammographic findings are differently associated with age group, breast composition, and tumour size.

keywords:

invasive lobular carcinoma, breast composition, mammographic findings, age groups, tumour size




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