gamma camera


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Related to gamma camera: scintigraphy

camera

 [kam´er-ah] (pl. ca´merae, cameras) (L.)
a cavity or chamber.
Anger camera the original form of gamma camera. Because the Anger camera is by far the most frequently used type of gamma (or scintillation) camera today, the terms are often used interchangeably.
gamma camera (scintillation camera) an electronic instrument that produces photographs or cathode-ray tube images of the gamma ray emissions from organs containing tracer compounds. The original and most commonly used version is the Anger c.

gam·ma cam·er·a

any one of several scintigraphic cameras that simultaneously record counts from the entire field of view.

gamma camera

n.
A camera used in medical diagnostic imaging that tracks the distribution of radioactive tracers in body tissues.

gamma camera

Etymology: Gk, gamma, third letter of Greek alphabet; L, camera, vault
a device that uses the emission of light from a crystal struck by gamma rays to produce an image of the distribution of radioactive material in a body organ. The light is detected by an array of light-sensitive electronic components and is converted into electric signals, which are processed to produce the image. The gamma camera is a workhorse of nuclear medicine departments, where it is used to produce scans of patients who have been injected with small amounts of radioactive materials.
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Combined gamma camera, with two detector heads, and CT scan

gamma camera

Nuclear medicine A device that evaluates the distribution of a radionuclide in the body post-injection

gam·ma cam·er·a

(gam'ă kam'ĕr-ă)
Any one of several scintigraphic cameras that record simultaneously counts from the entire operative field of view.
Synonym(s): scintillation camera.

gamma camera

A device consisting of a large crystal of a material that produces a tiny point of light where it is struck by a gamma ray. Between the crystal and the subject is interposed a thick lead plate drilled with numerous parallel holes (a collimator) that ensures that only parallel rays strike the crystal. In this way an image is formed on the crystal corresponding to the pattern of gamma rays given off by the subject. The gamma camera is used in conjunction with selective radionuclides that concentrate in certain parts of the body, such as the bones, the thyroid gland or a tumour. See also RADIONUCLIDE SCANNING.

Scintillation or gamma camera

A camera, somewhat like an x-ray machine, used to photograph internal organs after the patient has been injected with a radioactive material.
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