GAMMA CAMERA

GAMMA CAMERA :
A piece of apparatus that detects radioactivity in the form of gamma rays emitted by radioactive isotopes that have been introduced into the body as tracers. The position of the source of the radioactivity can be plotted and displayed on a TV monitor or photographic film.


SINGLE HEAD GAMMA CAMERA


DUAL HEAD GAMMA CAMERA


WHOLE BODY SCAN

SYSTEM COMPONENTS:
•Collimator
•NaI(Tl) crystal
•Light Guide (optical coupling)
•PM-Tube array
•Pre-amplifier
•Position logic circuits (differential&addition etc.)
•Amplifier (gain control etc)
•Pulse height analyzer
•Display (Cathode Ray Tube etc).

WORKING OF GAMMA CAMERA

Usage:

Lung Scans
Thyroid Uptakes and Scans
Brain Scans
Bone Scans

Cardiac Scans