giant cell carcinoma n.
A malignant epithelial neoplasm characterized by large undifferentiated cells.
- Giant cell fibroma
giant cell fibroma n. A form of irritation fibroma, occurring most frequently on the gums of young adults, composed of fibroblasts with large stellate or multiple nuclei.
- Giant cell granuloma
giant cell granuloma n. A non-neoplastic lesion of the gums or jaw bones, characterized by a proliferation of granulation tissue containing many multinucleated giant cells.
- Giant cell myeloma
giant cell myeloma n. See giant cell tumor of bone.
- Giant cell pneumonia
giant cell pneumonia n. A rare complication of measles, in which multinucleated giant cells line the alveoli. Also called Hecht’s pneumonia, interstitial giant cell pneumonia.