Giant Cell Bone Tumour of Tendon Sheath

(redirected from Extra-Articular Pigmented Villonodular Synovitis)
A potentially recurring lesion of the acral flexor tendon sheath which is a variant of fibrous histiocytoma; it reaches a maximum of 3 mm, and may erode into bone
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Extra-articular pigmented villonodular synovitis of the temporomandibular joint.