Vivianne Freitas
Vivianne Freitas is an Assistant Professor at University of Toronto and a Staff Radiologist of the Breast Imaging Division of the Toronto Joint Department of Medical Imaging, University Health Network, Sinai Health System, and Women’s College Hospital.
She is a graduate of the Radiology Residency Training Program at the Brazilian National Cancer Institute with a Fellowship Training Program at the Joint Department of Medical Imaging, University of Toronto. Dr. Freitas obtained her Master’s in Health Science in Clinical Research from Dresden University, Germany.
Dr. Freitas was awarded The Roberta Jong Award for the research project entitled “Potential Role of MRI in Assessing the Need for Sentinel Lymph Node Biopsy in Patients Undergoing Contralateral Prophylactic Mastectomy”. She received the Clinical Research Scholar Award from Harvard Medical School.
She is affiliated with multiple national and international professional societies including the Radiological Society of North America.
She currently has over 20 peer-reviewed publications in high-impact oncology and radiology journals and has some active research grants at the national level.
Dr. Freitas’s research focuses on novel technologies for breast cancer screening, Artificial Intelligence classifiers to differentiate benign and malignant breast lesions, and AI predictor models to assess therapy response.
- Canadian Association of Radiologists Breast Disease Imaging Referral Guideline
The Canadian Association of Radiologists (CAR) Breast Disease Expert Panel consists of breast imaging radiologists, a high-risk breast clinician, a […]
- Effects of delayed callback from screening mammography due to the COVID-19 pandemic
CONCLUSION: The low rate of cancer detected suggests that a delay callback may be a reasonable option for some likely benign findings when immediate […]
- False-positive incidental lesions detected on contrast-enhanced breast MRI: clinical and imaging features
CONCLUSION: Young patients, oval/round mass-lesion shape, and homogeneous pattern of non-mass enhancement showed the strongest association with […]
- Supplemental Breast Cancer Screening in Women with Dense Breasts and Negative Mammography: A Systematic Review and Meta-Analysis
Background The best supplemental breast cancer screening modality in women at average risk or intermediate risk for breast cancer with dense breast […]
- Correlation Between Breast Arterial Calcifications and Higher Cardiovascular Risk: Awareness and Attitudes Amongst Canadian Radiologists Who Report Mammography
Background: Breast arterial calcification (BAC) on mammography correlates with increased cardiovascular risk. Reporting BAC is not standard practice. […]
- Utilization of a rapid diagnostic centre during the COVID-19 pandemic reduced diagnostic delays in breast cancer
CONCLUSION: The GRDC enabled patients with concerning breast symptoms to access breast imaging, which helped to ensure timely treatment during the […]
- Editorial Comment: Validating the Proposed Molecular Breast Imaging Lexicon-A Way to Support Clinical Decision Making
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- Evaluation of a High-Sensitivity Organ-Targeted PET Camera
The aim of this study is to evaluate the performance of the Radialis organ-targeted positron emission tomography (PET) Camera with standardized tests […]
- Contralateral Breast Screening with Preoperative MRI: Long-Term Outcomes for Newly Diagnosed Breast Cancer
Background The diagnostic value of screening the contralateral breast with MRI in patients with newly diagnosed breast cancer is poorly understood. […]
- COVID-19 vaccine-related axillary edema in breast imaging setting
Worldwide, many vaccines have been developed in response to the COVID-19 pandemic. Unilateral reactive axillary adenopathy related to the COVID-19 […]
- The characteristics associated with upgrade on surgical pathology of conventional imaging occult DCIS diagnosed by MRI
CONCLUSION: Kinetic characteristics show the strongest association with upgrade to invasion in DCIS occult on mammogram and US. Larger studies should […]
- The Global Reading Room: Managing a Benign Papilloma
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- Digital Breast Tomosynthesis: Potential Benefits in Routine Clinical Practice
Digital breast tomosynthesis (DBT) is gradually being implemented in routine clinical breast imaging practice. The technique of image acquisition […]
- Performance of Digital Breast Tomosynthesis, Synthetic Mammography, and Digital Mammography in Breast Cancer Screening: A Systematic Review and Meta-Analysis
CONCLUSIONS: Our findings provide evidence on key performance metrics for DM, DBT alone, combined DBT and DM, and combined DBT and S2D, which may […]
- Synthetic 2D Mammography Versus Standard 2D Digital Mammography: A Diagnostic Test Accuracy Systematic Review and Meta-Analysis
BACKGROUND. The use of synthetic 2D mammography (SM) with digital breast tomosynthesis (DBT) in place of standard 2D digital mammography (DM) may […]