Ganglion cyst

Background

Cystic collection of synovial fluid within a joint or tendon sheath
~33% resolve spontaneously

Ganglion cyst

Clinical Features

May appear quickly, recede, change in size
Most are not painful
Interference with function, poor cosmetics, and pain may require routine referral to hand surgeon

Differential Diagnosis

Hand and finger injuries

Distal finger
Other finger/thumb
- Boutonniere deformity
- Mallet finger
  - Swan neck deformity
- Jammed finger
- Jersey finger
- Trigger finger
- Ring avulsion injury
- De Quervain tenosynovitis
- Infiltrative tenosynovitis
- Metacarpophalangeal ulnar ligament rupture (Gamekeeper's thumb)
Hand
- Dupuytren contracture
Wrist
- Drummer's wrist
- Ganglion cyst
- Lunotriquetral ligament instability
- Scaphoid fracture
- Extensor digitorum tenosynovitis
- Compressive neuropathy ("bracelet syndrome")
- Intersection syndrome
- Snapping Extensor Carpi Ulnaris
- Vaughn Jackson syndrome
General
- Hand and finger dislocations
- Hand and finger fractures
- Gout and Pseudogout
- Hand and finger tendon injuries
- High-pressure injection injury
- Osteoarthritis
- Rheumatoid arthritis

Evaluation

Generally clinical diagnosis
- Ultrasound may be useful in equivocal cases

Management

NSAIDs
Refer to hand surgeon for persistent or recurrent pain or cosmetic deformity

Disposition

Discharge

See Also

Hand and finger diagnoses

References

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