NCIt synonyms : Malignant Giant Cell Neoplasm of Tendon Sheath; Malignant Giant Cell Neoplasm of the Tendon Sheath; Malignant Tendon Sheath Giant Cell Tumor; Malignant Giant Cell Tumor of the Tendon Sheath; Malignant Tendon Sheath Giant Cell Neoplasm; Malignant Giant Cell Tumor of Tendon Sheath;
NCIt related terms : Giant cell tumor of tendon sheath, malignant;
NCIt definition : An uncommon malignant tumor arising from the tendon sheath. Morphologically, it is
characterized by the presence of a cellular infiltrate reminiscent of a giant cell
tumor with prominent malignant characteristics. Recurrent giant cell tumors with a
sarcomatous dedifferentiation are included in this category as well.;