Knee pain may be acute, chronic, or an acute exacerbation of a chronic condition.
Trauma, overuse, and degenerative change are ...
Pain location, quality, and mechanism of injury guide diagnostic reasoning (also see “Differential Diagnosis”):
Diffuse pain: OA, patellofemoral pain syndrome, chondromalacia
Acetaminophen: up to 3 g/...
Activity modification in overuse conditions
Rehabilitative exercise in OA:
Low-impact exercise: walking, swimming, cycling
Strength, ROM, and proprioception training
Collins NJ, Bisset LM, Crossley KM, et al. Efficacy of nonsurgical interventions for anterior knee pain: systematic review and meta-analysis of randomized trials. Sports Med. ...
M25.569 Pain in unspecified knee
M17.9 Osteoarthritis of knee, unspecified
M76.50 Patellar tendinitis, unspecified knee
M17.10 Unilateral primary osteoarthritis, unspecified knee
A careful history (location/quality of pain and mechanism of injury) targets diagnosis for most causes of knee pain.
Consider ligamentous injury, meniscal tear, and fracture for patient...
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Popliteal cysts are fluid-filled herniations of the synovial membrane of the knee joint.
FIGURE 25-17. Diagnostic arthroscopy of the knee. Anterior cruciate ligament.