Nuclear Medicine: History and
Development in Wellington
T FitzJohn September 2015
Presented to
U3A Wellington
Disclaimer
T FitzJohn
Chairman, partner and radiologist
with special interest in Nuclear
Medicine Pacific Radiology Ltd
Chairman Cyclotek
Pharmaceuticals Ltd
High Definition NaF Bone
st
scans for the 21 Century
Trevor FitzJohn
November 2011
st
1
generation nuclear imaging:
Rectilinear scanner
Hal Anger
Principles of Nuclear Medicine
GE Starcam
Bone Scan
Technetium 99m
• An ideal radio-isotope
– 140 KeV
– Ideal half life 6 hours.
– “clean” gamma emitter
– Good chemistry
– Molybdenum generator
Current Gamma Camera
SPECT
Concept -Filtered Back
Projection
Mathematics FBP
Iterative Reconstruction
What Next? Add a CT
Next revolution
PET positron emission
tomography
Advantages of PET
• Simultaneous detection of annihilation
gamma rays reduces the positional error
from 1cm to 2 mm
Tc planar
NaF MIP
• Current PET/CT scanner
Covers off
High Definition NaF Bone
st
scans for the 21 Century
• Trevor FitzJohn
• Sept 2015
High Definition NaF Bone
st
scans for the 21 Century
Trevor FitzJohn
November 2011
Sodium Fluoride
NaF bone scan MIP
Low Back Pain
• Multiple causes
– Disc degeneration/prolapse
• Irritation of nerve roots
– Spinal stenosis
– Facet joint degeneration
– Baastrup Disease
– Pars Defects
– Spondylolythesis
– Musculo-ligamentous
– Post Op
– Arachnoiditis
Pt 10. NaF bone scan/CT
Other Radiopharmaceuticals
FDG
FET
Flutemetamol
The ultimate PET scan!
Cyclotron