CT alignment probe for the dose profile insert | Zendy

Schneiders Nicholas J. | Zendy; Glaze Sharon A. | Zendy; Bushong Stewart C. | Zendy

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CT alignment probe for the dose profile insert

Author(s) -

Schneiders Nicholas J.,

Glaze Sharon A.,

Bushong Stewart C.

Publication year - 1981

Publication title -

medical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.473

H-Index - 180

eISSN - 2473-4209

pISSN - 0094-2405

DOI - 10.1118/1.594966

Subject(s) - stack (abstract data type) , thermoluminescent dosimeter , imaging phantom , dosimeter , dosimetry , materials science , optics , insert (composites) , medical imaging , medical physics , nuclear medicine , physics , computer science , medicine , artificial intelligence , composite material , programming language

One of the most accepted methods of characterizing the dose in computed tomograhy (CT) is by measuring the dose profile. Thermoluminescent dosimeters (TLD's) arranged in a stack are scanned in a plexiglass phantom. Unfortunately with this system there is no assurance that the scan properly intercepts the stack. Mispositioning will not be apparent until the TLD's are read, entailing at least a 24 h delay before rescanning. We have designed a simple alignment probe that insures that the scan will be centered on the stack to within 1 mm.

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