Ganglion Cyst Flashcards

1
Q

Where does a ganglion cyst most commonly occur?

A
  1. Dorsal wrist, collar wrist, DIP joint of finger and tendon sheath
    *most common soft tissue tumor of hand/wrist
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2
Q

Where does a ganglion cyst originate from?

A
  1. The wrist/finger joint or from a tendon sheath
    *synovial fluid collects in outpouchings/pockets and forms the cysts
    *if the cyst moves its connected to the tendon
    *if the cyst stays its connected to the joint
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3
Q

What is the presentation of a ganglion cyst?

A
  1. Insidious onset (just noticed a lump one day)
  2. May or may not complain of pain
  3. if painful, wll be exacerbated with wrist flexion or extension
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4
Q

What will be found with the PE?

A
  1. Tender to palpation
  2. Decreased ROM
  3. Decreased muscle strength
  4. May vary in size from visit to visit or with wrist position
  5. May transilluminate
    *Fluid will glow
    *soft tissue wont glow
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5
Q

What are some diagnostic test?

A

Usually not needed
1. Radiographs: underlying bony abnormality
2. MRI: further evaluation of the mass
3. Ultrasound: may confirm the diagnosis when ganglions are very small

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6
Q

What are some complications of a ganglion cyst?

A
  1. Numbness/tingling due to pressure on nerves
  2. May contribute to tendinitis/injury due to proximity/pressure
  3. Vascular thrombosis
    *malignant by position
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7
Q

What is the prognosis of a ganglion cyst

A
  1. Excellent
    *higher recurrence with aspiration
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8
Q

What is the treatment/management for a ganglion cyst?

A
  1. Observation most require no treatment
  2. DO NOT smash or hit
    *firm pressure is okay
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9
Q

When is aspiration of a cyst okay?

A
  1. Depends on the size
    *results also depend on the size and viscosity
    *can be followed by a cortisone injection to rupture the cyst wall
    *aspiration will leave the cyst wall behind and intact so it is more likely to recut
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10
Q

What is the definitive treatment of a ganglion cyst?

A

Surgical excision
*fluid and cyst wall is removed
*indicated if the cyst causes pain, limiting or cosmetic reasons

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