2017_IGRT course book

Gantry-mounted kV strategy at Rigshospitalet 11/12 linacs have OBI capabilities OBI images are used: – When bony anatomy is a good surrogate (breast + regional nodes; mediastinal lymphoma) – With gated/ breath hold treatments (left- sided breast) – When dose is a concern (same + pediatrics) – When the potential of CBCT hasn’t been evaluated yet (palliative) – And…. As a back-up when problems with CBCT!