Platelet-Rich Plasma versus Corticosteroid Injection for the Treatment of de Quervain Tenosynovitis: A Randomised Control Open Label Equivalence Trial.

De Quervain (DQ) tenosynovitis is a frequent source of wrist pain amongst middle-aged adults. Steroid injections are recommended after conservative methods fail, despite unclear mechanisms. The effectiveness of platelet-rich plasma (PRP) for DQ is not well-studied.