TABLE E.3: QUALITY CONTROL PROCEDURES AND STANDARDS FOR CR MAMMOGRAPHY Procedure Control-Limits/Requirements Minimum Required Procedure Elements Minimum Record Requirements Frequency Viewing Appropriate viewing Visual inspection of ambient Records confirm: conditions conditions lighting conditions to ensure Date performed. conformance with acceptable All viewbox lamps must be Person performing task. viewing condition configuration. operational and appropriate Refer to corresponding text in the masking available (if ACPSEM Position Paper V3.0 for applicable) detail. Visual inspection of viewboxes for uniformity of brightness. Confirmation of presence and operation of masking for viewboxes. Image plate Erasure of energy absorbed from On a daily basis or if left unused Records confirm: erasure scattered radiation or naturally for more than 8 hours, all CR Date performed. occurring radiation by CR image image plates should be subjected Person performing task. plates before they are used. to a secondary erasure (following manufacturer’s instructions). On a weekly all CR image plates should be subjected to a primary erasure (following manufacturer’s instructions). Monitor/ Monitor screens and viewboxes Weekly Clean all monitor screens and Records confirm: Viewbox must be free of dust, fingerprints viewboxes gently with lint-free cloth as Date performed. cleaning and other marks that might per manufacturer’s instructions. Person performing task interfere with image interpretation
TABLE E.3: QUALITY CONTROL PROCEDURES AND STANDARDS FOR CR MAMMOGRAPHY Procedure Control-Limits/Requirements Minimum Frequency Required Procedure Elements Minimum Record Requirements Viewing conditions Appropriate viewing conditions All viewbox lamps must be operational and appropriate masking available (if applicable) Visual inspection of ambient lighting conditions to ensure conformance with acceptable viewing condition configuration. Refer to corresponding text in the ACPSEM Position Paper V3.0 for detail. Visual inspection of viewboxes for uniformity of brightness. Confirmation of presence and operation of masking for viewboxes. Records confirm: Date performed. Person performing task. Image plate erasure Erasure of energy absorbed from scattered radiation or naturally occurring radiation by CR image plates before they are used. On a daily basis or if left unused for more than 8 hours, all CR image plates should be subjected to a secondary erasure (following manufacturer’s instructions). On a weekly all CR image plates should be subjected to a primary erasure (following manufacturer’s instructions). Records confirm: Date performed. Person performing task. Monitor/ Viewbox cleaning Monitor screens and viewboxes must be free of dust, fingerprints and other marks that might interfere with image interpretation Weekly Clean all monitor screens and viewboxes gently with lint-free cloth as per manufacturer’s instructions. Records confirm: Date performed. Person performing task
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