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3t-mri artificial intelligence in patients with invasive breast cancer to predict distant metastasis status: a pilot study
Department of Radiology, University of Rome “Sapienza”, Viale del Policlinico 155, Roma, Italy.
Department of Radiology, Sant’Anna Hospital, Via Ravona, San Fermo della Battaglia, Italy; Unit of Computer Systems and Bioinformatics, Department of Engineering, University of Rome “Campus Bio-Medico”, Via Alvaro del Portillo 21, Roma, Italy.
Department of Electrical Engineering and Information Technology, University of Naples Federico II, Naples, Italy.
Department of Radiology, Sant’Anna Hospital, Via Ravona, San Fermo della Battaglia, Italy.
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2023 (English)In: Cancers, ISSN 2072-6694, Vol. 15, no 1, article id 36Article in journal (Refereed) Published
Abstract [en]

Background: The incidence of breast cancer metastasis has decreased over the years. However, 20–30% of patients with early breast cancer still die from metastases. The purpose of this study is to evaluate the performance of a Deep Learning Convolutional Neural Networks (CNN) model to predict the risk of distant metastasis using 3T-MRI DCE sequences (Dynamic Contrast-Enhanced). Methods: A total of 157 breast cancer patients who underwent staging 3T-MRI examinations from January 2011 to July 2022 were retrospectively examined. Patient data, tumor histological and MRI characteristics, and clinical and imaging follow-up examinations of up to 7 years were collected. Of the 157 MRI examinations, 39/157 patients (40 lesions) had distant metastases, while 118/157 patients (120 lesions) were negative for distant metastases (control group). We analyzed the role of the Deep Learning technique using a single variable size bounding box (SVB) option and employed a Voxel Based (VB) NET CNN model. The CNN performance was evaluated in terms of accuracy, sensitivity, specificity, and area under the ROC curve (AUC). Results: The VB-NET model obtained a sensitivity, specificity, accuracy, and AUC of 52.50%, 80.51%, 73.42%, and 68.56%, respectively. A significant correlation was found between the risk of distant metastasis and tumor size, and the expression of PgR and HER2. Conclusions: We demonstrated a currently insufficient ability of the Deep Learning approach in predicting a distant metastasis status in patients with BC using CNNs.

Place, publisher, year, edition, pages
MDPI, 2023. Vol. 15, no 1, article id 36
Keywords [en]
3T-MRI Dynamic Contrast-Enhanced sequences (DCE), breast cancer, convolution neural network (CNN), Deep Learning (DL), metastasis
National Category
Cancer and Oncology Radiology, Nuclear Medicine and Medical Imaging
Identifiers
URN: urn:nbn:se:umu:diva-203557DOI: 10.3390/cancers15010036ISI: 000908691200001Scopus ID: 2-s2.0-85145949211OAI: oai:DiVA.org:umu-203557DiVA, id: diva2:1728728
Available from: 2023-01-19 Created: 2023-01-19 Last updated: 2023-09-05Bibliographically approved

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Soda, Paolo

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