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IZVEŠTAJ SA ESTRO KONGRESA
Sandra Radenkovic
Teme
 Konsensus dokumenti
 Frakcionisanje u zracnoj terapiji karcinoma dojke
 Boost
 Ommiting zracne terapije dojke
 Parcijalna zracna terapija dojke
Postoperativna RT cele dojke je I dalje standard nakon
postedne operacije
 Ne smanjuje samo lokalni recidiv vec i sistemske relapse
ECTGCG Overview 2011 Lancet
FRAKCIONISANJE
 1999-2002,
 RT nakon BCS
 STARTA : 20236 50Gy u 25 fr vs 41.6 /13f vs 39Gy/13f
 START B :2216 50Gy/25fr vs 40Gy/15fr
 10god LR 5,5 % za 50/25 vs 4.3% za 40/15fr
 40/15fr bolji kozmetski efekat
STARTTRIAL LANCET2013: 14: 1086-94
HIPOFRAKCIONISANJE
J Clin Oncol 38, 28 (2020)
50Gy/25fr vs 30/5/5n vs28.5/5/5n
2004-2006
FAST FORWARDTRIAL
FASTTRIAL
Lancet 2020: 395:
40Gy/15fr /3n vs 27/5/1n vs26/5/1n
2012-2014
Ista toksicnost i isti procenat lokalnih recidiva
REZIM 26GY/5 FR/1 N tokom Covid pandemije
KARDIOTOKSICNOST
 Darby NEJM 2013: 368:
 Rizik od pojave koronarnih
dogadjaja 7,4% po Gy
Pacijenta sa vec postojecim
koronarnim RF imaju veci rizik
DIBH-DEEP INSPIRATORY BREATH HOLD
Kombinovanje različitih tehnika RT
• Predloženo je da kad god
srce ne prolazi srednju dozu
od 3,2Gy da se radi DIBH sa
VMAT
BOOST NA TUMORSKO LEZIŠTE
 Pacijentkinje <50 god
 Pacijentkinje >50god sa nepovoljnim patoloskim parametrima
 Doza 16Gy/8fr ili ekvivalentno 13,35Gy u 5 fr
 Ili simultani integrisan boost 48Gy u 15 fr
EORTC BOOST TRIAL
Bartelink Lancet Oncology 2015: 16:
Boost 16Gy/8f vs BEZ boosta
Nema efekta na prezivljavanje
Redukuje pojavu LR
Najveci efekti kod <40 god
Parcijalna zracna terapija
 Coles Lancet 2017; 390: 1048-60
 >50 godina
 BCS
 Unifokalni CDI, G1-3
 <3cm, N0
 >2mm margina
 Ne za ILC pacijente ili sa LVI
 IMRT
Kombinovanje različitih tehnika RT
HVALA NA PAŽNJI

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Breast radiotherapy.ppt

  • 1. IZVEŠTAJ SA ESTRO KONGRESA Sandra Radenkovic
  • 2. Teme  Konsensus dokumenti  Frakcionisanje u zracnoj terapiji karcinoma dojke  Boost  Ommiting zracne terapije dojke  Parcijalna zracna terapija dojke
  • 3. Postoperativna RT cele dojke je I dalje standard nakon postedne operacije  Ne smanjuje samo lokalni recidiv vec i sistemske relapse ECTGCG Overview 2011 Lancet
  • 4. FRAKCIONISANJE  1999-2002,  RT nakon BCS  STARTA : 20236 50Gy u 25 fr vs 41.6 /13f vs 39Gy/13f  START B :2216 50Gy/25fr vs 40Gy/15fr  10god LR 5,5 % za 50/25 vs 4.3% za 40/15fr  40/15fr bolji kozmetski efekat STARTTRIAL LANCET2013: 14: 1086-94
  • 5. HIPOFRAKCIONISANJE J Clin Oncol 38, 28 (2020) 50Gy/25fr vs 30/5/5n vs28.5/5/5n 2004-2006 FAST FORWARDTRIAL FASTTRIAL Lancet 2020: 395: 40Gy/15fr /3n vs 27/5/1n vs26/5/1n 2012-2014 Ista toksicnost i isti procenat lokalnih recidiva REZIM 26GY/5 FR/1 N tokom Covid pandemije
  • 6.
  • 7. KARDIOTOKSICNOST  Darby NEJM 2013: 368:  Rizik od pojave koronarnih dogadjaja 7,4% po Gy Pacijenta sa vec postojecim koronarnim RF imaju veci rizik
  • 9. Kombinovanje različitih tehnika RT • Predloženo je da kad god srce ne prolazi srednju dozu od 3,2Gy da se radi DIBH sa VMAT
  • 10. BOOST NA TUMORSKO LEZIŠTE  Pacijentkinje <50 god  Pacijentkinje >50god sa nepovoljnim patoloskim parametrima  Doza 16Gy/8fr ili ekvivalentno 13,35Gy u 5 fr  Ili simultani integrisan boost 48Gy u 15 fr
  • 11. EORTC BOOST TRIAL Bartelink Lancet Oncology 2015: 16: Boost 16Gy/8f vs BEZ boosta Nema efekta na prezivljavanje Redukuje pojavu LR Najveci efekti kod <40 god
  • 12. Parcijalna zracna terapija  Coles Lancet 2017; 390: 1048-60  >50 godina  BCS  Unifokalni CDI, G1-3  <3cm, N0  >2mm margina  Ne za ILC pacijente ili sa LVI  IMRT
  • 13.

Editor's Notes

  1. Prvi veliki trajal koji je pokazao efiksanot i sigurnost primene ultrahipo režima. 4096 pacijenata iz 97 britanskih centara, od kojih je 1361 određeno za primenu 40 Gy, 1367 za primenu 27 Gy, a 1368 na raspored od 26 Gy. Pacijenti uključivani u trajal od 2011 do 2014. Nakon 70 meseci praćenja pokazano je da 26 Gy u pet frakcija tokom 1 nedelje nije inferiorno u odnosu na standard od 40 Gy u 15 frakcija tokom 3 nedelje za lokalnu kontrolu tumora i jednako je bezbedno u smislu efekata na normalno tkivo do 5 godina, 27Gy u 5 frakcija je imalo značajno gori kozmetski efekat nakon 5 godina.