ePlasty: Vol. 16
Juxta-articular Myxoma of the Hand
Shabaaz S. Sandhu, BAa, Joshua B. Elston, MDa, Michael A. Harrington, MDa, and Wyatt G. Payne, MDb

aDivision of Plastic Surgery, Department of Surgery, University of South Florida Morsani College of Medicine, Tampa

bC.W. Bill Young Bay Pines VA Medical Center, Bay Pines, Fla


Correspondence: jelston1@health.usf.edu
Keywords: juxta-articular myxoma, hand mass, benign mass, local recurrence, ganglion cyst

DESCRIPTION

A 55 year-old right-hand-dominant man who developed asymptomatic, compressible swelling of the right hand 3 months after right open carpal tunnel release (Fig 1). Aspiration was unsuccessful. Magnetic resonance imaging demonstrated a 2 x 2-cm mass with an unclear diagnosis or origin. Excisional biopsy revealed juxta-articular myxoma (JAM).

Figure 1. Preoperative view of the right hand demonstrating a compressible mass just distal to the prior carpal tunnel release incision. The mass was painless and did not produce tingling or numbness on Tinel's maneuver.

QUESTIONS

1. What are the cause and pathogenesis of JAM?

2. How can JAM be differe .......