J Korean Orthop Assoc.  2000 Jun;35(3):499-504.

Detection of Synovial Hypertrophy in Idiopathic Carpal Tunnel Syndrome Using Ultrasongraphy

Affiliations
  • 1Department of Orthopaedic Surgery, Asan Medical Center, University of Ulsan, College of Medicine.
  • 2Department of Diagnostic radiology, Asan Medical Center, University of Ulsan, College of Medicine.

Abstract

OBJECTS: Synovial thickness in carpal tunnel was measured by high-resolution ultrasonography to evaluate the relation of synovial hypertrophy in idiopathic carpal tunnel syndrome.
MATERIALS AND METHODS
Thickness of synovium of flexor tendons in 46 hands of idiopathic carpal tunnel syndrome and 50 hands of normal control were measured quantitatively by high-resolution ultrasonography. The patients were classified into three groups according to the clinical severity: Group I had typical clinical symptoms and positive provocation test (17 cases) , Group II had sensory decreation on the dermatome of median nerve (21 cases) , and Group III had sensory decreation and thenar muscle weakness. The thickness of flexor tendons in the three groups and control group were statistically compared.
RESULTS
The mean value of thickness of carpal tunnel syndrome was 1.06mm and that of control group was 0.87mm (p=0.012) . Positive correlation was revealed according to the clinically classified three groups.
CONCLUSION
Synovial hypertrophy in carpal tunnel has positive relationships with idiopathic carpal tunnel syndrome, and it reveal possibly the progression of the disease.

Keyword

Idiopathic carpal tunnel syndrome; Synovial hypertrophy; High-resolution ultrasonography

MeSH Terms

Carpal Tunnel Syndrome*
Hand
Humans
Hypertrophy*
Median Nerve
Muscle Weakness
Synovial Membrane
Tendons
Ultrasonography
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