Knee aspiration and injection.

Roberts, W O · Phys Sportsmed · 1998

expert_opinion · Level V

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Abstract

Injection and aspiration of a knee joint is a useful procedure for the office, especially in a practice involving many physically active patients. Common reasons for aspirating or injecting a knee include local anesthesia, diagnosis of an unexplained effusion, evacuation of a painful effusion, and injection of a corticosteroid.

Anatomy