Konica Minolta CS-3 - Collimator Assessment

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4.2 MP-Tables
Chapter 4
3.14 Collimator Assessment
Table MP-11
Date: Inspectors Name:
Mammography X-ray unit S/N:
]mm[DIS
X-ray field / Light field alignment limit;
≤2 [%] * SID
Collimator (cm) 18×24 cm 24×30 cm
Target Material
Right edge deviation [mm] (a1)
Left edge deviation [mm] (b1)
Sum of left and right edge deviation |(a1)|+|(b1)|
Pass/Fail
Sum as % SID
Anterior edge deviation [mm] (c1)
Chest edge deviation [mm] (d1)
Sum of anterior and chest edge
deviation
|(c1)|+|(d1)|
Pass/Fail
Sum as % SID
X-ray field / Image area alignment limit;
≤2 [%] * SID
Collimator (cm) 18×24 cm 24×30 cm
Target Material
Right edge deviation [mm]
Pass/Fail
% of SID (retain sign)
Left edge deviation [mm]
Pass/Fail
% of SID (retain sign)
Anterior edge deviation [mm]
Pass/Fail
% of SID (retain sign)
Chest edge deviation [mm]
Pass/Fail
% of SID (retain sign)
Alignment of chest wall edges of compression paddles
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≤1 [%] * SID
24×30 cm18×24 cm)mc(rotamilloC
Target Material
Differences between compression paddle edge and
liaF/ssaP]mm[egdeegami
Difference as % of SID
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a
1
c
1
d
1
b
1
Light
Field
Chest Side
X-ray field/Li ght field alignment
X-ray
field
Cassette A
a2
Chest Side
Cassette B
X-ray field / Image area alignment
Cassette A
Cassette A
Quarter Coin
Alignment of chest wall edges of
compression paddles and image
receptors
Cassette A is on the breast support table.
Cassette B is in the holder.