High‐resolution ultrasound approach to quadrangular joint in carpal boss: Everything musculoskeletal sonographer should know

• Published in: Journal of clinical ultrasound Vol. 52; no. 8; pp. 1129 - 1139
• Main Authors: Corvino, Antonio, Ricci, Vincenzo, Cocco, Giulio, Pizzi, Andrea Delli, Tafuri, Domenico, Corvino, Fabio, Nevalainen, Mika T., Chew, Felix S., Mespreuve, Marc, Catalano, Orlando
• Format: Journal Article
• Language: English
• Published: Hoboken, USA John Wiley & Sons, Inc 01.10.2024; Wiley Subscription Services, Inc
• Subjects: carpal boss; Carpus; examination technique; extensor tendons snapping; high‐resolution ultrasound; Joints (anatomy); Osteophytes; pathologic findings; Pathology; quadrangular joint; Tendons; high‐resolution ultrasound; quadrangular joint; extensor tendons snapping; carpal boss; examination technique; pathologic findings

At the quadrangular joint (QAJ) of the carpus, a rare bony protuberance called carpal boss (CB) may occur. This bone abnormality may be due to osteophytes development or os styloideum. Symptomatic patients may complain pain, swelling, and restrictions in hand motion. These symptoms result from joint...