tenosynovitis

Etiology

• skin flora, Staphylococcus aureus
• may be associated with rheumatoid arthritis
• Mycobacterium avium Complex (case report)

Pathology

• inflammation the synovial sheath of a tendon

Clinical manifestations

• common in finger flexors
  • finger held in slight flexion
  • pain with passive extension of digit
  • tenderness along flexor tendon sheath
• presents as a diffuse swelling between the joints (fusiform swelling) Radkolgy:
• magnetic resonance imaging (case report

Complications

• loss of function
• rupture of tendon

Management

• admit for inpatient care
  • consult hand surgeon
• immobilization
• warm soaks
• non-steroidal anti-inflammatory agents (NSAIDs)
• corticosteroid injections into tendon sheath
• if due to infection
  • IV antibiotics
  • surgical incision & drainage may or may not be needed

More general terms

• synovitis

More specific terms

• de Quervain's tenosynovitis (stenosing tenosynovitis)

Additional terms

• arthritis
• tendonitis (tendon injury)