cyber knife protocol
TRANSCRIPT
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8/14/2019 Cyber Knife Protocol
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CyberKniferobotic surgerynoninvasive,precise,shorttreatmenttime,automaticallytracksprostate,quickrecovery,minimumpossiblesideeffects
Noagelimitation Nolimitationduetoothercoexistingdiseases Noprostatesizelimitation PossibleevenwithpriorTURP
CyberKnifealone(CKmonotherapy)*
LowGleason 7orless PSA20
CyberKnifeforQualityofLife
Localdiseasecontrol Recurrenceaftersurgeryorradiotherapy Symptomaticsitesanywhereinthebody
HCGCyberKnifeProtocols
CarcinomaPROSTATE
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8/14/2019 Cyber Knife Protocol
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Facts:
Thereissolidbiologicrationalefortreatingprostatecancerpatientsin5fractions Variousstudiesdemonstrateaconsistent,significantearlyPSAresponsewithamedian18
monthPSAresultof0.22ng/ml.
TreatmentrelatedtoxicitytodatehasincludedgradeI IIurinarysymptomsthatnormallyresolvein46weeks,andgrade0 Irectalsymptomsthatnormallyresolvein23weeks.
Resultsofa3yearstudyin41patientsundergoingCyberKnifetherapyalonebyKingCRetal,fromStanfordUniversity(March2009):
o Therewereminimalbladderandrectalsideeffectsrespondingoveraperiodoftime.o AbenignPSAbounce(median,0.4ng/mL)wasobservedin12patients(29%)occurring
at18months(median)aftertreatment.
o Of32patientswith12monthsminimumfollowup,25patients(78%)achievedaPSAnadir