2 Interesting Facts of Tibial tubercle fracture
- Caused by violent contraction of quadriceps or forceful flexion of knee when quadriceps is contracted
- Differentiated by:
- Pain onset is sudden
- Patient is unable to actively extend knee
- Knee effusion more likely to be present
- Tibial tubercle fragmentation is seen radiographically; may be difficult to differentiate from calcific fragments found in Osgood-Schlatter disease
- Comparison views of unaffected knee may be helpful
