UMEM Educational Pearls

Title: Intersection Syndrome

Keywords: Tenosynovitis, wrist pain (PubMed Search)

Posted: 9/28/2019 by Brian Corwell, MD (Updated: 11/22/2024)
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Intersection Syndrome

De Quervain’s is a common tenosynovitis is involving the the 1^st dorsal compartment of the wrist/forearm.

Intersection syndrome is a tenosynovitis that occurs at the intersection of the 1^st and 2^nd dorsal compartments.

Pathology located at crossing point of the 1^st compartment structures (APL and EBP) with the radial wrist extensors (ECRB and ECRL)

Occurs most commonly from repetitive wrist extension and is common in rowers, weight lifters, and in those playing racquet sports.

Occurs about 4 to 6cm proximal to the radiocarpal joint VERSUS De Quervain’s which occurs near the level of the radial styloid.

Pain worse with resisted wrist and thumb extension

Radiographs not required

Splint and start NSAIDs

Recalcitrant cases can be referred for corticosteroid injection