CYBERKNIFE SYSTEM
Left Upper Lobe Lung Metastasis
Case History
AGE: 64-year-old
GENDER: Male
Medical History
- Chronic obstructive pulmonary disease (COPD), previous surgery on left lung
- Chest CT: Suspicious lesion in the left upper lobe
- PET-CT: hypermetabolic nodule, 1.8cm no evidence of regional or distant metastasis
Hypertension and smoker with a 65-pack-year history. Persistent cough and unintentional weight loss over the past three months
Non-small cell lung cancer (NSCLC) adenocarcinoma cT1bN0M0, Stage IA2
Planning CT Images
Treatment Plan Images
Treatment Planning Highlights
Fractionation
50 Gy in 5 fractions
PTV(s) Volume
PTV, 5.17 cc
Dose Distributions
- Prescription to the
71.7% isodose line - Max. dose 69.7 Gy
Collimator
InCise™ MLC
Dose Calculation Algorithm
Monte Carlo
New Conformality Index (nCI)
nCi = 1.51
Gradient Index (GI)
GI = 4.51
Protocol Used
RECORAD
Treatment Delivery Information
Tracking Method
Lung 1 View with
Respiratory Modelling
Total Delivery Time
22 minutes
