Viscoelastic biomarker for differentiation of benign and malignant breast lesion in ultra- low frequency range

Alireza Nabavizadeh, Mahdi Bayat, Viksit Kumar, Adriana Gregory, Jeremy Webb, Azra Alizad, Mostafa Fatemi

Research output: Contribution to journalArticle

Abstract

Benign and malignant tumors differ in the viscoelastic properties of their cellular microenvironments and in their spatiotemporal response to very low frequency stimuli. These differences can introduce a unique viscoelastic biomarker in differentiation of benign and malignant tumors. This biomarker may reduce the number of unnecessary biopsies in breast patients. Although different methods have been developed so far for this purpose, none of them have focused on in vivo and in situ assessment of local viscoelastic properties in the ultra-low (sub-Hertz) frequency range. Here we introduce a new, noninvasive model-free method called Loss Angle Mapping (LAM). We assessed the performance results on 156 breast patients. The method was further improved by detection of out-of-plane motion using motion compensation cross correlation method (MCCC). 45 patients met this MCCC criterion and were considered for data analysis. Among this population, we found 77.8% sensitivity and 96.3% specificity (p < 0.0001) in discriminating between benign and malignant tumors using logistic regression method regarding the pre known information about the BIRADS number and size. The accuracy and area under the ROC curve, AUC, was 88.9% and 0.94, respectively. This method opens new avenues to investigate the mechanobiology behavior of different tissues in a frequency range that has not yet been explored in any in vivo patient studies.

Original languageEnglish (US)
Article number5737
JournalScientific reports
Volume9
Issue number1
DOIs
StatePublished - Dec 1 2019

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Breast
Biomarkers
Area Under Curve
Cellular Microenvironment
Biophysics
Neoplasms
ROC Curve
Logistic Models
Biopsy
Sensitivity and Specificity
Population

ASJC Scopus subject areas

  • General

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Viscoelastic biomarker for differentiation of benign and malignant breast lesion in ultra- low frequency range. / Nabavizadeh, Alireza; Bayat, Mahdi; Kumar, Viksit; Gregory, Adriana; Webb, Jeremy; Alizad, Azra; Fatemi, Mostafa.

In: Scientific reports, Vol. 9, No. 1, 5737, 01.12.2019.

Research output: Contribution to journalArticle

Nabavizadeh, Alireza ; Bayat, Mahdi ; Kumar, Viksit ; Gregory, Adriana ; Webb, Jeremy ; Alizad, Azra ; Fatemi, Mostafa. / Viscoelastic biomarker for differentiation of benign and malignant breast lesion in ultra- low frequency range. In: Scientific reports. 2019 ; Vol. 9, No. 1.
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