- Jul 2023
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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25 or 30 Gy in 5 Gy per fraction, prescribed at a depth of 1.0 cm superior to the vaginal apex
25-30 Gy en fracciones de 6 Gy a 1 cm de la cúpula vaginal
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ro-journal.biomedcentral.com ro-journal.biomedcentral.com
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preoperative stereotactic RT (5 × 5 Gy), surgery, and postoperative normofractionated RT (25 × 2 Gy)
RT hipofx sarcoma preOP - SBRT preOP 25Gy/5fx - Cirugía - RT convencional PO (50Gy/25fx)
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www.advancesradonc.org www.advancesradonc.org
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GTV prescription was commonly 52.5 Gyin 15 fractions
Sarcoma metastásico o irresecable RT hipofraccionada: GTV 52.5 Gy en 15 fx --> CTV 45 Gy en 15 fx GTV 45Gy en 15 fx --> CTV 37.5 Gy en 15 fx
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5 Gy in 15 fractions (59% ≥45 Gy)
Sarcoma metastásico o irresecable RT hipofraccionada: 45Gy en 15 fx
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- Jun 2023
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prodikedokteran.fk.uns.ac.id prodikedokteran.fk.uns.ac.id
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Adjuvantradiotherapy ranging in dosage from 54 Gy to 62 Gy was administered to patients whoexhibited deep-seated, high-grade tumors that were larger than 5 cm
Dosis y beneficio RT adyuvante TMVNP: * Dosis: 54-62 Gy en tumor profundo, alto grado, >5cm * Beneficio en SLE y SG a 5 años A 5 años: * SLE: 42% con RT vs 0% sin RT * SG: 65% con RT vs 38% sin RT
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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radiotherapy is most useful in patients with large (e.g., >5 cm), high-grade tumors, and/or those with positive margins at resection
Indicaciones RT adyuvante en TMVNP: * Tamaño >5cm * Alto grado * Margen positivo
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used 45 Gy (25 fractions of 1.8 Gy) neoadjuvant radiotherapy to the primary site, followed by resection and adjuvant radiotherapy with the dose determined by the success of resection–10.8 Gy (6 fractions of 1.8 Gy) for microscopic residual disease R1 (cumulative dose 55. 8 Gy) or 19.8 Gy (11 fractions of 1.8 Gy) for gross residual disease/no resection (cumulative dose 64.8 Gy)
RT neo: 45 Gy + RT PO: 10.8Gy/6fx en R1, 19.8Gy/11fx en R2
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- May 2022
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www.frontiersin.org www.frontiersin.org
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Because of the very close spatial proximity of radiosensitive gastrointestinal structures and spatial instability during repeated fractions (especially in the case of the small intestine), the dose 35 Gy in five fractions was most frequently prescribed, and the median biological equivalent dose (BED10Gy) was 60 Gy (in the range of 48–112 Gy).
SBRT ganglios: 35 Gy en 5 fracciones Dosis de restricción para 5 sesiones.
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- Apr 2022
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www.frontiersin.org www.frontiersin.org
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The risk of RN when treated with 3 fractions seems to be related to the volume receiving 18 Gy (12). Rates of radionecrosis are estimated to be 5% for V18 ≤ 30.2 cm3 and up to 14% for V18 > 30 cm3 (12).
Dosis restricción tallo cerebral
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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The most frequent prescription regimens were 24 Gy in 3 fractions (n = 52, 33%) and 30 Gy in 5 fractions
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ro-journal.biomedcentral.com ro-journal.biomedcentral.com
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For HSRT, most common schedules were 24–27 Gy in 3 fractions and 30–35 Gy in 5 fractions with a reported similar 12-month local control of about 85–95%
Control local a 1 año en metástasis cerebrales: - 24-27Gy en 3 fracciones y 30-35Gy en 5 fracciones = 85-95%
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ro-journal.biomedcentral.com ro-journal.biomedcentral.com
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Schedules 3 × 9 Gy and 5 × 6 Gy corresponding to lower BED10 Gy of 51.3 Gy and 48 Gy respectively, were more often applied on post-operative cavity and smaller lesions
BED 3 x 9 Gy = 51.3 Gy BED 5 x 6 Gy = 48 Gy
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www.hindawi.com www.hindawi.com
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The total dose of prescription was 25 or 40 Gy in 5 fractions volumetrically such that the entire prescription dose was applied at least 99% of the PTV and delivered over a 7- to 14-day period
Dosis 25-40 Gy en 5 fx Tallo cerebral < 31 Gy Nervio óptico < 25 Gy Dosis mínima a cerebro y cristalino
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