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3.6 Average Glandular Dose
Chapter 3
5
The detector should be the same height as the top of the RMI phantom.
6
Expose the phantom and the detector of the dose meter with the kVp, target material and l-
tration at which the system is most commonly used clinically (Using AEC).
7
Make four (4) exposures and record the mR and mAs from the dose meter and console of the
mammography X-ray unit.
3.6.5 Performance Criteria and Corrective Action
Performance Criteria: Refer to "Mammography Quality Control Manual" (ACR, 1999) Medical Physicist section pro-
cedure 10.
Corrective Action: If the test fails, please repeat the above procedure. If results exceed the criteria the mammography
X-ray unit must be serviced to correct the condition.
The source of the problem shall be identied and corrective action shall be taken before further patient imaging is
performed.
3.6.6 Documentation
Record the results of the test in the Table MP-5 (Average Glandular Dose) and the Table MP-S (MEDICAL PHYSI-
CIST'S MAMMOGRAPHY QC TEST SUMMARY).
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