Upper Limb Disorders - Ganglion Cysts

Question 1

What is a Ganglion Cyst?

Answer 1

Sac of synovial fluid originating from the tendon sheath or joint.

Question 2

Where do Ganglion Cysts commonly occur?

Answer 2

Wrist and fingers.

Question 3

Pathophysiology of Ganglion Cysts.

Answer 3

Synovial membrane of the tendon sheath or joint herniates to form a pouch - synovial fluid flows from the tendon sheath or joint into the pouch.

Question 4

Clinical Presentation of Ganglion Cysts (4).

Answer 4

1. Visible/Palpable Painless Lump.
2. Neurological Symptoms if Compression.
3. Firm and Non-Tender on Palpation and Well-Circumscribed.
4. Transllumination.

Question 5

Investigations of Ganglion Cysts (2).

Answer 5

1. Clinical Diagnosis.

2. US - Confirm Diagnosis.

Question 6

Management of Ganglion Cysts (2).

Answer 6

1. Conservative - several years.

2. Active (Needle Aspiration (risk : recurrence) or Surgical Excision (risk : complications)).