Ver el código de «Knee fractures»

==Background==
*Most pts with severe ligamentous or meniscal injury have normal radiographs
*Lipohemarthrosis
**Lateral view - Fat-fluid level indicates intra-articular fracture 

==Patella==
*Do not confuse a bipartite patella with a fx
*Imaging
**AP and lateral
**Consider skyline (sunset) view if suspect fx of articular surface
*Positioning
**Lateral view: Distance from tibial tubercle to lower pole of patella ~ length of patella +/- 20%
***If > than this suspect patellar ligament rupture

==Fibular Neck Fx==
*Often associated w/ severe knee injury including damage to collateral and cruciate ligaments


==Tibial Plateau Fx==
===Background===
*Medial condyle + intercondylar eminence + lateral condule
**Intercondylar eminence is where ACL attaches
*Ligamentous and meniscal injuries are common
*Compartment syndrome may occur
*Segond's Fracture
**Avulsion fx of margin of lateral tibial plateau just below joint line
**Has strong association with tear of ACL and meniscal ligaments


===Diagnosis===
*TTP
*Knee effusion

===Work-Up===
*AP, lateral
**AP - line drawn at lateral margin of femur should not have >5mm of tibia beyond it
*If suspicion high but xray negative consider MRI or CT



===Management===
*Plateau Fracture
**RICE
**Splint in full extension
**NWB

===Disposition===
*Indications for referral within 48hr:
**Significant displacement or depression
**Suspected or documented ligamentous injury


[[Category:Ortho]]