Abstract
Painful ganglion cysts that develop in the hallux and finger usually enlarge progressively to the peripheral direction. Simple resection of satellite ganglion cyst alone has been reported to cause a high rate of recurrence and treatment is often very difficult. The purpose of this study is to evaluate the appropriate surgical treatment for painful satellite ganglion cysts in the hallux and finger and discuss the origin of the ganglion cysts in cases treated surgically at our hospital. We reviewed five cases (three males and two females, ages 55-87 years), three of which occurred in the hallux and two in the finger. In all cases, the preoperative magnetic resonance image showed a large fluid of the flexor tendon sheath. And also, joint effusion was found in the metatarsophalangeal joint and the proximal interphalangeal joint. The first case of the hallux ganglion underwent simple excision of the cyst and had recurrences three times. In the other four cases, the additional synovectomy of the metatarsophalangeal joint and the proximal interphalangeal joint was performed along with ganglion cyst excision. These cases had no recurrence up to 1 year after operation. Recently, there have been reports that tendon sheath ganglions are connected to the ankle, wrist, hallux, and phalangeal joints. Although there are a few cases in our department, satellite ganglion cyst of the hallux and finger possibly originates from adjacent joints. Additional synovectomy of the affected joint should be performed for the excision of satellite ganglion cyst to prevent recurrence.
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