Stifle – craniocaudal canine X-ray positioning guide

Stifle – craniocaudal canine X-ray positioning guide

Positioning

• Sternal recumbency with leg to be radiographed extended caudally
• Use sandbags or wedges to raise the unaffected limb
• Position so the patella is in the midline
• Centre on the midline of the stifle
• Collimate to show distal 1/3^rd femur and proximal 1/3^rd of tibia/fibula
• Ensure L/R marker in primary beam

What to look for

• Good visualisation of the joint space
• Femoral condyles should be of equal size, with the patella in the midline

Top tips

• If the limb keeps rotating put cotton wool under the joint to help prevent it slipping
• Use tape to ensure the tail is not over the region of interest

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• Stifle – craniocaudal canine X-ray positioning guide

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