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

Apparent diffusion coefficient values in borderline breast lesions upgraded and not upgraded at definitive histopathological examination after surgical excision

Corrado Tagliati
1
,
Paola Piccinni
1
,
Paola Ercolani
2
,
Elisabetta Marconi
2
,
Barbara Franca Simonetti
2
,
Gian Marco Giuseppetti
3
,
Andrea Giovagnoni
3

1.
Università Politecnica delle Marche, Ancona, Italy
2.
Department of Radiological Sciences, Azienda Ospedaliero Universitaria Ospedali Riuniti, Ancona, Italy
3.
Department of Radiological Sciences, Azienda Ospedaliero Universitaria Ospedali Riuniti, Università Politecnica delle Marche, Ancona, Italy
Pol J Radiol 2021; 86: e255-e261
Online publish date: 2021/04/30
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Introduction
The study aims were to evaluate if the apparent diffusion coefficient (ADC) value could distinguish between breast lesions classified as B3 at core needle biopsy (CNB) that show or do not show atypia or malignancy at definitive histopathological examination (DHE) after surgical excision.

Material and methods
: From January 2013 to December 2017, 141 patients with a B3 breast lesion underwent magnetic resonance imaging and were included in the study. The ADC value was assessed drawing a ROI outlining the entire lesion, evaluating the mean (ADCmean) and minimum ADC values (ADCmin).

Results
Both ADCmean and ADCmin values showed a statistically significant difference between B3 lesions without and with malignancy or, for B3a lesions, atypia at DHE. They both showed a statistically significant difference also between B3a lesions without or with atypia or malignancy at DHE, but only ADCmin (not ADCmean) showed statistically significant difference between B3b lesions without or with malignancy at DHE.

Conclusions
The ADC value could help distinguish between B3a lesions without or with atypia/malignancy at DHE after surgical excision and between B3b lesions without or with malignancy at DHE. Therefore, it could be used to help guide the diagnostic-therapeutic pathway of these lesions, particularly of B3a lesions.

keywords:

borderline breast lesions, B3 lesions, breast MRI, ADC value




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