Breast Surgery

Visualizing Breast Tumor Placement and Extent

Tumor-to-Breast Volume Ratio: Supporting the decision for a partial breast resection through the visualization of tumor-to-breast volume ratio and the response to a neoadjuvant treatment² (case report – Research Use Only)


Immersive visualization of tumors, vessels, lymph nodes, perforating arteries

Precise quadrant localization

Measurements in 3D and in VR: tumor volumes, nipple-to-chest wall distance

Potential Use and Benefits of Our Future Medical Solution

Surgical Decision Tool

Assess necessity of surgical treatment, partial vs total mastectomy², oncoplasty

Surgical Planning

DIEP, oncoplasty

Rapid Surgical




MRI analysis and surgical strategy assessment¹

Informs conservative vs radical treatment decision²


Improvement in MRI analysis accuracy¹

Clinical Evidence

Three-dimensional virtual reality in surgical planning for breast cancer with reconstruction

Breast surgery is performed to achieve local control in patients with breast cancer. Visualization of the anatomy with a virtual reality software platform reconstructed from magnetic resonance imaging data improves surgical planning with regards to volume and localization of the tumor, lymph nodes, blood vessels, and surrounding tissue to perform oncoplastic tissue rearrangement. We report the use and advantages of virtual reality added to the magnetic resonance imaging assessment in a 36-year-old woman with breast cancer who underwent nipple sparing mastectomy with tissue expander reconstruction.

Breast MRI Analysis for Surgeons Using Virtual Reality: Real-life Applications, Clinical Case Reports

The three cases are real-life examples of using the VR-AVATAR medical device for breast cancer surgery treatment: evaluation of the tumor response to neoadjuvant chemotherapy, decision for breast conservative or radical treatment, decision for loco-regional treatment in metastatic setting. Through these three real-life cases, we describe the potential impact of VR-AVATAR medical device use in clinical daily practice in breast cancer surgery. It seems like a useful tool, easy to use, providing high-quality images, helping with surgery planning and decisions.

Breast magnetic resonance image analysis for surgeons using virtual reality: a comparative study

The aim of this study was to compare the speed and accuracy of surgeons using a virtual reality (VR) visualization tool versus standard image slice-based visualization tools for the the analysis of breast magnetic resonance images (MRIs).


Partial breast resection for multifocal lower quadrant breast tumour using virtual reality

With the aid of a virtual reality (VR) software, we report the ability to rapidly confirm and secure and indication for partial surgery of multiple lesions in a 31-year old patient.




El Beheiry, M., Gaillard, T., Girard, N., Darrigues, L., Osdoit, M., Feron, J., Sabaila, A., Laas, E., Fourchotte, V., Laki, F., Lecuru, F., Couturaud, B., Binder, J., Masson, J., Reyal, F. and Malhaire, C., 2021. Breast Magnetic Resonance Image Analysis for Surgeons Using Virtual Reality: A Comparative Study. JCO Clinical Cancer Informatics, (5), pp.1127-1133. (76% of the surgeons selected the right breast quadrants with VR compared to 51% with 2D visualization)


Laas, E., El Beheiry, M., Masson, J. and Malhaire, C., 2021. Partial breast resection for multifocal lower quadrant breast tumour using virtual reality. BMJ Case Reports, 14(3), p.e241608.
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