거대세포 결핍성 건초 거대세포 종양 2예

Abstract

Giant cell tumor of tendon sheath is the second most common tumor involving the hands. It usually presents as a slowly growing, lobulated, painless subcutaneous mass. Histologically, the tumor is composed, in variable proportion, of histiocytoid mononuclear cells, multinucleated giant cells, xanthoma cells, and collagenized stroma. Although numerous characteristic multinucleated giant cells are usually noticeable in the tumor, they may be difficult to find, or be entirely absent. We present two cases of giant cell tumor of tendon sheath in which giant cells was not and rarely found respectively