Set up

IGRTat UCSF EPI & CBCT

by Michèle Aubin MSEE

IGRT Steps Prescribe

Plan

Set up

Review

Physicians

Dosimetrists

Therapists

Physicians

• Create and approve a prescription

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

• Initialize and schedule imaging

• Review each images and shifts in Mosaiq before next treatment

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

• Associate the CBCT

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

• Print out the

• Associate a protocol to MVCB • Align the patient

• Archive & clean the database

Place an Order in Mosaiq

Prescribe

Remind the dosimetrist Work done in Pinnacle and Mosaiq

• Type of Imaging (2D or 3D)

• If 3D, inform of which contours to send for alignment • Print out the CT and ISO

Plan

Assist the therapist Syngo 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 Patient Syngo Station

• 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

Set up

Align the Patient Syngo Station

Every moves (Lat, Long, Vert) are typed in Mosaiq by RTT

Set up

Align the Patient

Set up

RTT Syngo Station

• Prostate • H&N • Lung

4 MU to 6 MU 3 or 4 MU 4 to 6 MU

Verify the Images and Shifts

Review

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 •

Thank You!