IGRTat UCSF EPI & CBCT

by Michèle Aubin MSEE

Prescribe Plan Set up Review

IGRT Steps

PhysiciansPhysicians

• Create and approve a prescription

• Place an order for daily or weekly imaging (EPI and/or CBCT)

DosimetristsDosimetrists

• Prepare the reference data in Site Setup for EPI and CBCT

• Send the Plan, DRRs, CT and ISO to Mosaiq

• Print out the CT with ISO

TherapistsTherapists

• Initialize and schedule imaging

• Associate a proto- col to MVCB

• Align the patient

• Associate the CBCT

• Archive & clean the database

PhysiciansPhysicians

• Review each images and shifts in Mosaiq before next treatment

PrescribePlace an Order in Mosaiq

Remind the dosimetristWork done in Pinnacle and Mosaiq

• Type of Imaging (2D or 3D)

• If 3D, inform of which contours to send for

alignment

Plan

• Print out the CT and ISO

Assist the therapistSyngo Station

• Verify that Isocenter on the patient’s CT match the

printout

• Guide the patient’s alignment on dry run

Set up

Acquire and Align RTT Syngo Station

Set up

Prostate Patient

H&N Patient

Align the PatientSyngo Station

Set up

• Prostate + Markers: always performed by RTT

• Head&Neck: < 2 mm no move 2 mm ≤ shift ≤ 5 mm Move by RTT

shift > 5 mm : call attending

Align the PatientSyngo Station

Set up

Every moves (Lat, Long, Vert)

are typed in Mosaiq by RTT

Align the PatientRTT Syngo Station

Set up

• Prostate 4 MU to 6 MU• H&N 3 or 4 MU• Lung 4 to 6 MU

Verify the Images and Shifts Mosaiq

• Can verify and approve images in any Mosaiq station.

• In order to charge and be legal, all IGRT have to be approved before next treatment

•

Review

Thank You!