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Quality Assurance of the Radiation Therapy Process

Quality Assurance of the Radiation Therapy Process. Restoring the Missing Link. Jan Pursley, MS Sicel Technologies. Immobilization. Patient Positioning. Imaging. Treatment. Tumor Localization. Treatment Planning. Quality Assurance and Verification.

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Quality Assurance of the Radiation Therapy Process

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  1. Quality Assurance of the Radiation Therapy Process Restoring the Missing Link Jan Pursley, MS Sicel Technologies DVS is a product and trademark of Sicel Technologies®, Inc.

  2. Immobilization Patient Positioning Imaging Treatment Tumor Localization Treatment Planning Quality Assurance and Verification Radiation therapy process is like a chain Success depends on the weakest link ! Adapted from Webb S, “Physics of Three Dimensional radiation therapy”, IOP, 1993 DVS is a product and trademark of Sicel Technologies®, Inc.

  3. Immobilization Patient Positioning Imaging Treatment x Tumor Localization Treatment Planning Quality Assurance and Verification Radiation therapy process is like a chain Success depends on the weakest link ! Adapted from Webb S, “Physics of Three Dimensional radiation therapy”, IOP, 1993 DVS is a product and trademark of Sicel Technologies®, Inc.

  4. French Lessons…

  5. French Lessons…

  6. DVS is a product and trademark of Sicel Technologies®, Inc.

  7. DVS Reader Implantable Dosimeter DVS® (Dose Verification System) DVS is a product and trademark of Sicel Technologies®, Inc.

  8. Individual Patient QA with Direct Patient Dose Measurement What does ‘good’ look like? 1 2 DVS is a product and trademark of Sicel Technologies®, Inc.

  9. What does ‘good’ look like? Individual Patient QA with Direct Dose Measurement What does ‘not so good’ look like? What does ‘good’ look like? Daily dose variations in patient with bilateral hip prostheses 1 7-field IMRT plan designed to avoid prostheses 2 DVS #2 DVS #1 DVS is a product and trademark of Sicel Technologies®, Inc.

  10. Individual Patient QA with Direct Dose Measurement What can be done to turn ‘bad’ into ‘good’? DVS #2 DVS #1 DVS is a product and trademark of Sicel Technologies®, Inc.

  11. Individual Patient QA with Direct Dose Measurement DVS #2 out of slice plane DVS #1 DVS is a product and trademark of Sicel Technologies®, Inc.

  12. Individual Patient QA with Direct Dose Measurement DVS is a product and trademark of Sicel Technologies®, Inc.

  13. As a complement to a radiation therapy QA process, in vivo dosimetry can identify gross errors that occur along the chain Internal dose verification (in situ dosimetry) alerts the physician to subtle errors that can improve therapeutic outcome and decrease morbidity Summary DVS is a product and trademark of Sicel Technologies®, Inc.

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