| Library / English Dictionary |
MALIGNANT TUMOR
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A tumor that is malignant and tends to spread to other parts of the body
Synonyms:
malignant neoplasm; malignant tumor; metastatic tumor
Classified under:
Nouns denoting stable states of affairs
Hypernyms ("malignant tumor" is a kind of...):
neoplasm; tumor; tumour (an abnormal new mass of tissue that serves no purpose)
malignance; malignancy ((medicine) a malignant state; progressive and resistant to treatment and tending to cause death)
Hyponyms (each of the following is a kind of "malignant tumor"):
carcinosarcoma (a malignant neoplasm composed of carcinoma and sarcoma extensively intermixed)
cancer; malignant neoplastic disease (any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream)
angiosarcoma (a rare malignant neoplasm arising from vascular tissue; usually occurs in the breast and skin and is believed to originate from the endothelial cells of blood vessels)
myeloma (a tumor of the bone marrow (usually malignant) composed of cells normally found in bone marrow)
neuroblastoma (malignant tumor containing embryonic nerve cells; usually metastasizes quickly)
neuroepithelioma (malignant tumor of the neuroepithelium)
retinoblastoma (malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells)
Context examples:
A large number of patients develop malignant tumors (carcinomas, sarcomas, and lymphomas). —2003
(Multicentric Reticulohistiocytosis, NCI Thesaurus)
The spread of a malignant tumor to the peritoneum from another primary anatomic site.
(Metastatic Malignant Neoplasm to the Peritoneum, NCI Thesaurus)
A malignant tumor that has spread to the ureter from another anatomic site. —2003
(Metastatic Malignant Neoplasm to the Ureter, NCI Thesaurus)
A malignant tumor that has spread from its original (primary) site of growth to another site close to or distant from the primary site.
(Metastatic Malignant Neoplasm, NCI Thesaurus)
A malignant tumor composed of uniform round to oval-shaped primitive nonlipogenic mesenchymal cells and a variable number of small, signet-ring lipoblasts in a prominent myxoid stroma with a characteristic branching vascular pattern.
(Myxoid Liposarcoma, NCI Thesaurus)
Malignant tumors are usually associated with rapid swelling and pain.
(Odontogenic Neoplasm, NCI Thesaurus)
Melanoma is a malignant tumor of melanocytes, cells that are derived from the neural crest.
(Non-Cutaneous Melanoma, NCI Thesaurus/PDQ)
An aggressive, high grade malignant tumor that arises from the salivary gland.
(Carcinosarcoma of the Salivary Gland, NCI Thesaurus)
A malignant tumor arising in the epithelial cells of the brain or spinal cord.
(Central Nervous System Carcinoma, NCI Thesaurus)
A malignant tumor arising from the epithelium of the intrahepatic or extrahepatic bile duct.
(Bile Duct Carcinoma, NCI Thesaurus)
