CYBERKNIFE SYSTEM
Liver Metastasis
Case History
AGE: 68-year-old
GENDER: Female
Medical History
Rectal adenocarcinoma diagnosed and treated one year ago: Neoadjuvant chemoradiotherapy, surgical resection, adjuvant chemotherapy
Follow-up PET-CT: solitary hypermetabolic lesion in the liver, measuring 2.9cm with no other lesion
Planning CT Images


Treatment Plan Images




Treatment Planning Highlights
Fractionation
45 Gy in 3 fractions
PTV(s) Volume
PTV, 34.44 cc
Dose Distributions
- Prescription to the
70.7% isodose line - Max. dose 63.7 Gy
Collimator
InCise™ MLC
Dose Calculation Algorithm
FSPB
New Conformality Index (nCI)
nCi = 1.11
Gradient Index (GI)
GI = 2.83
Protocol Used
ACC-HM-001.3
Treatment Delivery Information
Tracking Method
Synchrony® Fiducial
with Respiratory
Modelling
Total Delivery Time
32 minutes