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The influence of grid size on accuracy in radiotherapy dose plotting
Author(s) -
Smith C. W.,
Morrey D.,
Gray K.
Publication year - 1990
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 - 10.1118/1.596544
Subject(s) - dosimetry , radiation therapy , medical physics , grid , nuclear medicine , radiation dose , medical imaging , medicine , statistics , mathematics , radiology , geometry
The recent article by Niemierko and Goitein [Med. Phys. 16 , 239–247 (1989)] illustrates well the errors which are occurring in plotting isodose lines. We wish to augment their analysis with similar work done at Cardiff a few years ago; to indicate some practical treatment outcomes they have omitted; to propose even more stringent requirements of the grid size used; and thus to further alert users and software manufacturers to this problem.
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