Popliteal cyst
Revision as of 05:18, 10 April 2017 by Rossdonaldson1 (talk | contribs)
Background
- Also known as "Baker's" cyst
- Develops posteriorly and inferiorly to the knee as herniation of the synovial membrane of the knee capsule
- The cyst communicates with the knee joint and is the leading cause of posterior knee pain
Clinical Features
- Pain/swelling of posterior knee
Differential Diagnosis
Knee diagnoses
Acute knee injury
- Knee dislocation
- Knee fractures
- 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
Management
- Ultrasound is study of choice
- Treatment is conservative; excision may be required in some cases