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Part 9 > Chapter 111　Ganglion Cysts

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著者：Katherine Dolbec and Joe Ravera
 
Abstract
Ganglion cysts are common and benign outpouchings of joint capsule menisci bursae, tendon sheath or ligaments. The dorsal aspect of the wrist is the most common location. They can present either acutely or chronically (sometimes over years). They can be diagnosed on physical exam and typically imaging is not required. Conservative treatment is a viable option, however if there is annoyance or discomfort an aspiration can be performed. In some cases, referral to orthopedic surgery may be warranted for cyst removal.
 
Keywords
aspiration
benign
conservative treatment
Ganglion
ganglion cyst
mucous cyst

Presentation  
    The patient is concerned about a rubbery, rounded swelling most commonly emerging from the dorsal or volar aspect of the wrist or the flexor tendon sheath of the hand. It may have appeared abruptly, been present for years, or fluctuated, suddenly resolving and gradually returning in much the same place (Fig. 111.1). The patient often first notices it when a minor injury brings it to attention. People may be troubled with these cysts at any age, but they tend to be most common in midlife.
     
    There is usually little tenderness, inflammation, or interference with function, but ganglion cysts may be bothersome with symptoms that include pain, paresthesias, limitation of motion, or weakness. Often the patient is only disturbed by the presence of a lump.
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