Ultrasound: Tendons: Difference between revisions
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==Findings== | ==Findings== | ||
*Positive Findings | *Positive Findings | ||
**Discontinuity in longitudinal view of ligament | |||
**Collection of fluid in longitudinal or transverse view suggests injury | |||
*Negative Findings | *Negative Findings | ||
**Longitudinal views show continuous densely striped parallel lines | **Longitudinal views show continuous densely striped parallel lines | ||
Revision as of 16:27, 7 January 2015
Background
- U/S can be used to assess continuity of tendons and ligaments
- They have a property called anisotropy which means they have 2 different appearances if assess longitudinally or transversely
Images
Normal
Abnormal
Instructions
- Use linear probe (high freq probe)
- Place probe in longitudinal plane over suspect tendon; high yield locations inlcude:
- Biceps can be proximal or distal
- Patella tendons 2cm from insertion on patella
- Achilles 2-6cm above calcaneus
- Fan and slide side to side to optimize your view
- Slide distal to proximal to find defect
- Turn probe 90° to assess for tendon body defects
Findings
- Positive Findings
- Discontinuity in longitudinal view of ligament
- Collection of fluid in longitudinal or transverse view suggests injury
- Negative Findings
- Longitudinal views show continuous densely striped parallel lines
- Transverse views show oval structure with punctate interior