Visual demonstration of aliasing in planar nuclear medicine imaging: The importance of correct collimator selection by nuclear medicine practitioners Radiography

Journal article


Elliott, J., O'Sullivan, P., Crooker, T. and Barnden, T. 2019. Visual demonstration of aliasing in planar nuclear medicine imaging: The importance of correct collimator selection by nuclear medicine practitioners Radiography. Radiography. 25 (4), pp. e119-e122. https://doi.org/10.1016/j.radi.2019.07.004
AuthorsElliott, J., O'Sullivan, P., Crooker, T. and Barnden, T.
Abstract

Aliasing artefact is an imaging distortion phenomenon experienced in a wide variety of medical imaging
modalities. This case report illustrates its occurrence during planar gamma camera nuclear medicine imaging under non-clinical conditions using experimental incorrect selection of collimators. In accordance with provision of an optimal service, nuclear medicine practitioners are recommended to have sufficient technical expertise along with knowledge of gamma camera operation. The purpose, construction and interaction of collimators used during planar imaging are presented herein with specific regards to the aliasing phenomenon. Furthermore, this case report recommends the careful planning of worklists to avoid frequent collimator changes to reduce the risk of human error.

KeywordsAliasing artefact; Nuclear medicine; Planar imaging; Gamma camera; Bar phantom; Collimator
Year2019
JournalRadiography
Journal citation25 (4), pp. e119-e122
PublisherElsevier
ISSN1078-8174
Digital Object Identifier (DOI)https://doi.org/10.1016/j.radi.2019.07.004
Official URLhttp://doi.org/10.1016/j.radi.2019.07.004
Publication dates
Online02 Aug 2019
PrintNov 2019
Publication process dates
Accepted21 Jul 2019
Deposited01 Apr 2020
Accepted author manuscript
File Access Level
Open
Output statusPublished
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https://repository.canterbury.ac.uk/item/8qz03/visual-demonstration-of-aliasing-in-planar-nuclear-medicine-imaging-the-importance-of-correct-collimator-selection-by-nuclear-medicine-practitioners-radiography

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RADIOGRAPHY-D-19-00070R1 (2).pdf
File access level: Open

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