Position verification with CT

We validate anatomical change by rectal gas with FOCAL-unit for rectal irradiation cases.

Original plan with CFIMRT (2 arcs plan)

Comparison plan with IMRT

The original plan was adapted with CT data which was taken during treatment period.

CFIMRT plan for QA

IMRT plan for QA

Original CT data

1: IMRT    2:CFIMRT (dotted line)

Follow up CT data

1: IMRT    2:CFIMRT (dotted line)

< Another case >

Following sample case shows prostate deviation with rectal gas. In this situation, prostate deviates for down to the left.

Original plan with CFIMRT

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QA plan

Origial plan                                                                                    QA plan

Original plan with IMRT

[

QA plan

Origial plan                                                                                    QA plan

 

last modification date: 2007/07/10