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  • 1116
  • 2011-07-15

Arthroscopic resection of dorsal wrist ganglia

Epublication WebSurg.com, Jul 2011;11(07). URL:
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The origin and the physiopathology of wrist ganglia are still debated. We know for sure that most of them have a common origin on the dorsal aspect of the wrist capsule in correspondence to the scapholunate ligament. The most common explanation is that there is a valve mechanism at the base of the ganglion, which controls the variable volume of these ganglions. Therefore, the ganglion can be healed by resecting this valve mechanism at the capsular level. Resecting greater parts of the dorsal wrist capsule can often lead to joint stiffness and secondary weakness of the dorsal capsule. Therefore, the arthroscopic resection of the ganglion stalk will heal the ganglion using a minimally invasive technique and hence avoiding the disadvantages of open surgery. Technically speaking, a diagnostic wrist arthroscopy is performed through the ulnocarpal portals. This allows to eliminate any co-existing pathology. It also allows to see whether the stalk of the ganglion is in an ulnocarpal or a radiocarpal position. A shaver is then introduced through the ganglion itself into the stalk, and intensive shaving is performed at the dorsal capsule in correspondence to the origin of the ganglion. Complete resection can thereby be achieved. Special postoperative care or splinting is not necessary. Mobilization can be started immediately.