Tecnicas modernas en Radioterapia 2012
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Este documento describe los avances técnicos en radioterapia oncológica, incluyendo la evolución de la radioterapia 2D a la radioterapia 3D conformada y de intensidad modulada, así como técnicas especiales como la radiocirugía estereotáctica. También discute el proceso de planificación y tratamiento de la radioterapia moderna, incluyendo la importancia de la imagen guiada y la fusión de imágenes para una mejor delimitación de los volúmenes y una mayor precisión del tratamiento.
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Tecnicas modernas en Radioterapia 2012
- 1. Avances técnicos en Radioterapia Oncológica Ignacio A. Sisamón Oncología Radioterápica Mar del Plata - Argentina
- 2. Contenido • Introducción • Bases físicas de la Radioterapia • Evolución de la RT a la conformación 3D • El proceso de la RT moderna • Modulación de Intensidad • RT guiada por la imagen • Técnicas especiales en RT – RT volumétrica y rotatoria o helicoidal – Radiocirugía – SBRT – Protonterapia
- 4. Efecto biológico por RT.
- 5. Rango Terapéutico Bases Radiobiológicas de la RT
- 6. RT 2D
- 7. Evolución a RT Tridimensional Conformada
- 8. RT tridimensional conformada. Tratamiento Standard Tratamiento 3D
- 9. Conformación Modulación RT tridimensional conformada.
- 10. Proceso de Radioterapia 3D conformada Consulta Diagnostico Posicionamiento Inmovilizacion Imagen 3D Delineacion de Volumenes Planificacion Simulacion Tratamiento
- 11. Estatificación Loco-Regional Confirmación diagnóstica Manejo Multidisciplinario Decisiones consensuadas Hammond, D. ASCO 2010; Nov: 281
- 15. Fusión de Imágenes para delimitación de volúmenes TAC RNM
- 16. Detección de enfermedad a distancia Reducción de volúmenes a irradiar
- 17. TAC RNM PET RT tridimensional conformada.
- 18. Planificacion de RT tridimensional.
- 23. 2D 3D IMRT RT de Intensidad Modulada.
- 24. RT de Intensidad Modulada.
- 25. RT de Intensidad Modulada.
- 26. RT de Intensidad Modulada.
- 30. Boost Integrado.
- 31. Boost Integrado.
- 32. RT-3DC vs IMRT.
- 33. Desafios para la presición.
- 34. Desafios para la presición.
- 35. Desafíos para la precisión.
- 36. Desafíos para la precisión.
- 37. Desafios para la presición.
- 38. 4/3 π x R 3 4/3 3.14 x 4 3 = 270cm3 4/3 3.14 x 3.5 3 = 180cm3 Reducción de volumen irradiado. Volume Dose Target
- 39. 1895 1920 1940 1960 1980 1990 2000 Basse énergie (kV) Cobalthérapie (MV) Accélérateurs RT conformationnelle 3D IMRT IGRT RT conventionnnelle 2D Línea de tiempo de la Radioterapia Tomotherapy VMAT Cyberknife
- 40. RT Guiada por Imagen
- 41. IGRT – ECO/BAT.
- 42. IGRT – Cone Beam
- 45. IGRT – Gaiting.
- 47. IGRT – Tracking.
- 49. IGRT .
- 50. IGRT – VMAT. • IGRT con 3D cone-beam • IGRT con portal-view • Fusion de imagenes • Posicionamiento digital • Detección desplazamiento • IMRT con MLC • Sliding-window • Re-planificacion
- 56. SRS – Linac colimator.
- 57. SRS. Pre-treatment andiographic images demonstrating 3.8 x 4.1 x 4.2cm right thalamic AVM ALE micro-multilaminas Gammaknife
- 58. IGRT – SBRT. SBRT • Pulmón • Higado • Columna vertebral • Pacientes pediátricos (reducción de dosis integral) • Bone-marrow sparring WAPI
- 59. IGRT – SBRT
- 60. Protones y Partículas cargadas
- 61. Orbital Melanoma Skull Base Chordoma Craniospinal Irradiation
- 62. Tecnología avanzada en Radioterapia
- 63. “90% of what is considered impossible is, in fact, possible. The other 10% will become possible with the passage of time & technology” Hideo Kojima Ignacio.Sisamon@corcm.com.ar
Editor's Notes
- Regresion tumoral Cambios de volumenes Deformación volumetrica
- SBRT, pediatric cases, and bone-marrow–sparing WAPI as three scenarios in which VMAT could have an especially positive impact. Spine and lung SBRT cases treated at our institution had treatment times that were reduced by 40–60% compared with alternative IMRT or conformal plans. A retrospective pediatric pelvic case could have been delivered in only 2.3 min with VMAT (an 8.2-min reduction from IMRT), with a 24% reduction in MU, no loss in plan quality, and no increase in overall dose to the patient. A two-arc VMAT treatment was also designed for a WAPI example to demonstrate the possibility of performing marrow-sparing WAPI treatment with VMAT.
- SBRT, pediatric cases, and bone-marrow–sparing WAPI as three scenarios in which VMAT could have an especially positive impact. Spine and lung SBRT cases treated at our institution had treatment times that were reduced by 40–60% compared with alternative IMRT or conformal plans. A retrospective pediatric pelvic case could have been delivered in only 2.3 min with VMAT (an 8.2-min reduction from IMRT), with a 24% reduction in MU, no loss in plan quality, and no increase in overall dose to the patient. A two-arc VMAT treatment was also designed for a WAPI example to demonstrate the possibility of performing marrow-sparing WAPI treatment with VMAT.
- SBRT, pediatric cases, and bone-marrow–sparing WAPI as three scenarios in which VMAT could have an especially positive impact. Spine and lung SBRT cases treated at our institution had treatment times that were reduced by 40–60% compared with alternative IMRT or conformal plans. A retrospective pediatric pelvic case could have been delivered in only 2.3 min with VMAT (an 8.2-min reduction from IMRT), with a 24% reduction in MU, no loss in plan quality, and no increase in overall dose to the patient. A two-arc VMAT treatment was also designed for a WAPI example to demonstrate the possibility of performing marrow-sparing WAPI treatment with VMAT.
- SBRT, pediatric cases, and bone-marrow–sparing WAPI as three scenarios in which VMAT could have an especially positive impact. Spine and lung SBRT cases treated at our institution had treatment times that were reduced by 40–60% compared with alternative IMRT or conformal plans. A retrospective pediatric pelvic case could have been delivered in only 2.3 min with VMAT (an 8.2-min reduction from IMRT), with a 24% reduction in MU, no loss in plan quality, and no increase in overall dose to the patient. A two-arc VMAT treatment was also designed for a WAPI example to demonstrate the possibility of performing marrow-sparing WAPI treatment with VMAT.
- there were a total of 35 proton therapy centers in: Canada, China, England, France, Germany, Italy, Japan, Korea, Poland, Russia, South Africa, Sweden, Switzerland, and USA; more than 83667 patients had been treated Several industrial teams are working on development of comparatively small accelerator systems to deliver the proton therapy to patients technologies being investigated are Superconducting synchrocyclotrons (also known as FM Cyclotrons), ultra-compact Synchrotrons Dielectric wall accelerators