giant cell tumor of tendon sheath
A nodule, possibly inflammatory, that usually develops from the flexor sheath of the fingers and thumb and is composed of fibrous tissue, multinucleated giant cells, and lipid- and hemosiderin-containing macrophages.localized nodular tenosynovitis
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.