giant-cell tumor

giant-cell tumor

1. a rare bone tumor of dogs and cats with benign and malignant variants arising from primitive stromal elements of the bone marrow, composed of a spindle cell stroma containing multinucleated giant cells resembling osteoclasts.
2. carcinoma of the thyroid, a highly malignant undifferentiated neoplasm derived from poorly differentiated thyroid follicular cells.
3. giant cell epulis. See peripheral giant cell reparative granuloma.
References in periodicals archive ?
Giant-cell tumor of bone: Analysis of two hundred and eight cases in Chinese patients.
These changes can also be seen in fibrous dysplasia, hyperparathyroidism, giant-cell tumor, and infantile cortical hyperostosis.
Benign osteoblastoma; a category of osteoid-and bone-forming tumors other than classical osteoid osteoma, which may be mistaken for giant-cell tumor or osteogenic sarcoma.
Scintigraphic evaluation of tenosynovial giant-cell tumor using technetium-99m(V)-dimercaptosuccinic acid.
2) Similar to the presentation of our case, the radiological findings and, especially, the histology of giant-cell tumor can very closely resemble brown tumor, which Jouan et al.
A landscape effect in tenosynovial giant-cell tumor from activation of CSF expression by a translocation in a minority of tumor cells.
Metastases from histologically benign giant-cell tumor of bone.
A giant-cell tumor in the hand presenting as an expansile diaphyseal lesion.
Giant-cell tumor of vertebrae above the sacrum: A review of 31 cases.
Giant-cell tumor of the lunate bone: a case report.
Giant-cell tumor of the tendon sheath (GCTTS) and pigmented villonodular synovitis belong to the same type of benign proliferative lesions originating in the synovia that usually affect the joints, bursae, and tendon sheaths.
The ABC was so named by Jaffe and Lichtenstein (4-11) in their article on UBC, however, it had first been described by Ewing in 1940, (77) who named it benign bone aneurysm and considered it a benign variant of aneurysmal giant-cell tumor.