Magnetic resonance imaging (MRI) is commonly used for the detection of breast lesions in genetically high-risk women due to its high sensitivity. As non-cancerous conditions including normal changes due to a woman's menstrual cycle may have the appearance of cancer on MR images, a biopsy (generally performed under ultrasound-guidance) of the suspicious mass is required for definitive diagnosis. However, only a limited percentage of MRI-visible lesions are also visible on ultrasound (US). Even if found, it is often unclear whether the lesion identified on US corresponds to the MRI-detected lesion in question. The investigators have developed a visualization tool to assist the visualization of MRI-detected lesions in US-guided procedures (e.g., biopsy). This tool provides a simultaneous display of the previously acquired MRI data alongside real-time US images. The investigators propose a pilot study to assess the usefulness of this tool in identifying MRI-detected lesions using real-time US-guidance.
Study Type
OBSERVATIONAL
Enrollment
10
Sunnybrook Health Sciences Centre
Toronto, Ontario, Canada
Target identification success: this outcome measure is a 'yes/no' outcome, indicating whether or not an MRI-detected lesion could be successfully visualized using US-guidance in the supplemental US exam
Time frame: Time of examination
Confidence scale for lesion visualization This is a 5-point scale: 1 - very low confidence; 2 - low confidence; 3 - ambiguous; 4 - confident; 5 - very confident
Time frame: Time of examination
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