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Mobius3DMobiusCB

Patient CBCT QA

Once a patient’s CBCT and registration is saved by the therapist, MobiusCB automatically retrieves the CBCT/registration via R&V DICOM query/retrieval, performs a quantitative comparison between the planning CT and CBCT, and calculates the plan dose in the CBCT.

Online Positioning Error Detection

MobiusCB checks the CBCT against the planning CT with a density gamma comparison designed to highlight gross errors in patient positioning and significant changes in patient anatomy. The density gamma result lets users visualize changes in the patient while also providing a quantitative metric for evaluation.

CBCT Gamma

Additional Patient Shifts

Mobius 3D's automatic registration module determined that applying additional shifts to the final patient setup increases the gamma passing rate. All directions assume you are standing at the foot of the couch, looking at the gantry. Always verify patient shifts before treatment.

Additional Patient Shifts

Traverse Plane

Immediate registration feedback

CBCT Dose Calculation

MobiusCB automatically calculates the plan dose in every CBCT and displays the resulting dose in a 3D viewer with the planning CT. The side-by-side viewer and isodose overlays highlight changes in the dose distribution and indicate which patients could benefit from new plans.

CBCT Dose Calculation

CBCT Dose Calculation