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Giant Cell Tumor of Tendon Sheath

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Giant Cell Tumor of Tendon Sheath

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How common? Which finger?

2nd most common tumor in hand after ganglion cyst
GCTs mostly involve the first three fingers, with the index being most often involved.

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What is classic XR findings in GCT finger?

shows classic erosions of the phalanges

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What is the classic intraop finding?

Characteristic yellow, lobulated appearance
Lobulated and white to gray in color, with yellowish and brown areas

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Management of GCT finger?

Early Excision recommended as it is locally aggressive and can invade the adjacent joint and tendons, impairing function
As it gets bigger make it hard to separate from Neurovascular bodies
Marginal excision
5-50% recurrence rate

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