AP Alignment
A true AP femur requires equal femoral condyle spacing. Rotation can mimic joint narrowing. Checking alignment improves diagnostic accuracy. Proper AP positioning is essential for femur imaging.
Lateral Stability
A true lateral requires superimposed condyles and stable patient positioning. Sponges improve stability and reduce motion. Proper support enhances clarity. Stability is essential for lateral femur imaging.
Detector Coverage
Ensuring full coverage of the femur prevents cutoff. Proper detector placement improves exposure index accuracy. Coverage awareness reduces repeat imaging. Good planning enhances workflow.
Marker Placement
Markers should be placed outside the anatomy but within the field. Proper labeling prevents confusion. Good marker habits support accurate documentation. Marker placement is essential for extremity imaging.
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Radiography > Digital Femur Positioning Tips