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Reduced output of orthovoltage radiotherapy units
Author(s) -
Bomford C. K.
Publication year - 1976
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 - 10.1118/1.594212
Subject(s) - radiation therapy , dosimetry , nuclear medicine , medicine , medical physics , radiology
Three causes of reduced output of orthovoltage radiotherapy units have recently been reported in this journal, each being due to faults external to the tube insert. A further incident is now reported where the output was reduced by 30% due to the tungsten target foil becoming partially detached from the anode, while the unit continued to operate normally. The possible cause and the prevention of a repeat occurrence are discussed.