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Test 6: Spatial Resolution (optional)
Objective
To detect assumed spatial resolution problems in different parts of the detector
Required Equipment
a)
Bar pattern phantom (containing line groups with spatial frequencies of 5 lp/mm,
6 lp/mm, 7 lp/mm, 8 lp/mm) applicable for mammography
b)
Collimator mountable PMMA phantom
c)
Compression plate 24 x 30 cm
Procedure
1.
Create a new patient record in the local database.
Fill in: Last Name:
Select procedure QC-raw.
2.
3.
Select:
exposure technique MANUAL
28 kV
90 mAs
target/filter combination clinically used
grid in
auto decompression off
OPCOMP off
4.
Mount PMMA phantom close to collimator.
5.
Move bar pattern phantom on object table to a position where a problem with the
spatial resolution of the detector is assumed.
6.
Mount compression plate and perform compression.
7.
Perform exposure.
MAMMOMAT Inspiration
SPB7-330.640.01.01.02
Test_Six
First Name: Spatial Resolution
Patient ID:
day+time when the test is performed
(example: 200707071030)
DOB:
05 05 1955
Gender:
Other
Test 6: Spatial Resolution (optional)
2
37
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