Knee fractures

Background

Anatomy of anterolateral aspect of right knee.

• Most patients with severe ligamentous or meniscal injury have normal radiographs
• Lipohemarthrosis suggests occult fracture
  • Lateral view: Fat-fluid level indicates intra-articular fracture

Types

• Patella fracture
• Tibial plateau fracture
• Segond fracture

Differential Diagnosis

Knee diagnoses

Acute knee injury

• Knee dislocation
• Knee fractures
  • Patella fracture
  • Segond fracture
  • Tibial plateau fracture
• Meniscus and ligament knee injuries
• Patella dislocation
• Patellar tendonitis
• Patellar tendon rupture
• Quadriceps tendon rupture

Nontraumatic/Subacute

• Arthritis
• Gout and Pseudogout
• Osgood-Schlatter disease
• Patellofemoral syndrome (Runner's Knee)
• Patellar tendonitis (Jumper's knee)
• Pes anserine bursitis
• Popliteal cyst (Bakers cyst)
• Prepatellar bursitis (nonseptic)
• Septic bursitis
• Septic joint
• DVT

See Also

• Fractures (Main)
• Knee (Main)