Abstract #0607

Perceptual Accuracy of a Mixed-Reality System for MR-Guided Breast Surgical Planning in the Operating Room

Stephanie L Perkins^1,2, Michael A Lin³, Subashini Srinivasan¹, Amanda J Wheeler⁴, Brian A Hargreaves^1,2,5, and Bruce L Daniel^1,2

¹Radiology, Stanford University, Stanford, CA, United States, ²Bioengineering, Stanford University, Stanford, CA, United States, ³Mechanical Engineering, Stanford University, Stanford, CA, United States, ⁴Surgery, Stanford University, Stanford, CA, United States, ⁵Electrical Engineering, Stanford University, Stanford, CA, United States

One quarter of women who undergo lumpectomy to treat early-stage breast cancer in the United States undergo repeat surgery due to concerns that residual tumor was left behind. We have developed a supine breast MRI protocol and a system that projects a 3D “hologram” of the MR data onto a patient using the Microsoft HoloLens. The goal is to reduce the number of repeated surgeries by improving surgeons’ ability to determine tumor extent. We are conducting a pilot study in patients with palpable tumors that tests a surgeon’s ability to accurately identify tumor location via mixed-reality visualization during surgical planning.

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