Breast Diseases
Conditions
Brief summary
To develop and compare multi-modality radiomics models based on DCE-MRI, B-mode ultrasound (BMUS) and strain elastography (SE) images for classifying benign and malignant breast lesions.
Detailed description
In this retrospective study,555 breast lesions from 555 patients who underwent DCE-MRI, BMUS and SE examinations were randomly divided into training (n =388) and testing (n = 167) datasets. Radiomics features were extracted from manually contoured images. The inter-class correlation coefficient (ICC), Mann-Whitney U test and the least absolute shrinkage and selection operator (LASSO) regression was applied for feature selection and radiomics signature building.Nine radiomics models including four single-modality radiomics models (DCE-3D, DCE-2D, BMUS, and SE), four multi-modality radiomics models (BMUS + SE, DCE-3D + BMUS, DCE-3D + SE, and DCE-3D+SE+BMUS), and the combination diagnostic model(clinical features and DCE-3D+SE+BMUS features) were developed and evaluated by their discrimination, calibration, and clinical usefulness.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
Patients with breast lesions underwent biopsy or surgical resection between January 1, 2018 and March 30, 2024.
Exclusion criteria
1. pathologicalresult of biopsy or surgical specimen was unavailable for the target lesion; 2. patients without DCE-MRI, BMUS and SE examinations before biopsy or surgery within one month; 3. patients hadperformed radiotherapy, chemotherapy, or breast biopsy before MRI and ultrasound examinations; 4. patients without completeDICOM data for each examination; 5. patients with poor-qualityimages.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Accuracy of different diagnostic models | Immediately evaluated after the radiomcis diagnostic model was built | The accuracy of nine diagnostic models, including four single-modality radiomics models (DCE-3D, DCE-2D, BMUS, and SE), four multi-modality radiomics models (BMUS + SE, DCE-3D + BMUS, DCE-3D + SE, and DCE-3D+SE+BMUS),and the combination diagnostic model is the ratio of the sum of True Positive and True Negative to the total of True Positive, True Negative, False Positive, and False Negative. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Sensitivity of different diagnostic models | Immediately evaluated after the radiomcis diagnostic model was built | The sensitivity of nine diagnostic models, four single-modality radiomics models (DCE-3D, DCE-2D, BMUS, and SE), including four multi-modality radiomics models (BMUS + SE, DCE-3D + BMUS, DCE-3D + SE, and DCE-3D+SE+BMUS), and the combination diagnostic model is the ratio of True Positive to the sum of True Positive and False Negative. |
Other
| Measure | Time frame | Description |
|---|---|---|
| Specificity of different diagnostic models | immediately evaluated after the combination diagnostic model was built | The specificity of nine different diagnostic models, including four single-modality radiomics models (DCE-3D, DCE-2D, BMUS, and SE), four multi-modality radiomics models (BMUS + SE, DCE-3D + BMUS, DCE-3D + SE, and DCE-3D+SE+BMUS), and the combination diagnostic model is the ratio of True Negative to the sum of True Negative and False Positive. |
| PPV of different diagnostic models | immediately evaluated after the combination diagnostic model was built | The PPV of nine different diagnostic models, including four single-modality radiomics models (DCE-3D, DCE-2D, BMUS, and SE), four multi-modality radiomics models (BMUS + SE, DCE-3D + BMUS, DCE-3D + SE, and DCE-3D+SE+BMUS),and the combination diagnostic model is the ratio of True Positive to the sum of True Positive and False Positive. |
| NPV of different diagnostic models | immediately evaluated after the combination diagnostic model was built | The NPV of nine different diagnostic models, including four single-modality radiomics models (DCE-3D, DCE-2D, BMUS, and SE), four multi-modality radiomics models (BMUS + SE, DCE-3D + BMUS, DCE-3D + SE, and DCE-3D+SE+BMUS), and the combination diagnostic model is the ratio of True Negative to the sum of True Negative and False Negative. |
Countries
China