Chapter 19 vocabulary Flashcards
adjuvant therapy
in breast cancer; incl chemotherapy, radiation therapy, or hormone therapy
adenocarcinoma
malignant tumour arising in glandular organ
anaplasia
characteristic of most cancerous cells in which there is a loss of differentiation and an irreversible alteration in adult cells toward more embryonic cell types
astrocytoma
tumour composed of astrocytes
betatron
machine used in administration of external radiation therapy
brachytherapy
radiation therapy where radioactive substance is inserted into body cavity or organ
Burkitt’s lymphoma
malignant tumour, commonly affects children in Africa; characteristic symptom is swollen jaw
carcinoid
tumour derived from argentaffin cells in intestinal tract
carcinoma
malignant tumour of epithelial tissue
chondrosarcoma
cancerous tumour of cartilage cells
choriocarcinoma
cancerous tumour of uterus
cyclotron
machine used in administration of external radiatipn therapy
dedifferentiation
process by which normal cels lose their specialization and become malignant
differentiation
process by which normal cells have a distinct appearance and specialized function
ductal carcinoma in situ
abnormal cells that involve only the lining of a duct
encapsulated
enclosed within a site
Ewing’s sarcoma
primary bone cancer occurring in pelvic area or long bones
fibrosarcoma
cancerous tumour arising in collagen-producing fibroblasts
what is the most common form of cancer?
carcinoma
fungating
process of growing rapidly, like a fungus
what tumours originate in connective tissue?
sarcoma
glioblastoma
rapidly growing cancer of the brain
glioma
cancerous tumour of the brain
hemangiosarcoma
cancerous tumour originating in blood vessels
Hodgkin’s disease
form of lymphoma occurring in children and young adults
human T-cell leukemia-lymphoma virus
first virus known to cause cancer in humans
hyperplasia
excessive formation & growth of normal cells
immunosuppression
process of preventing formation of immune response
immunotherapy
treatment of disease by active, passive, or adoptive immunity
infiltrative
pertaining to the process of extending or growing into normal tissue
in situ
enclosed within a site
leiomyosarcoma
cancerous tumour of smooth muscle tissue
leukemia
cancer of the blood characterized by overproduction of leukocytes
linear accelerator
machine used in administration of external radiation therapy
liposarcoma
cancerous tumour of fat cells
lobular carcinoma in situ
abnormal cells found in lobules of the breast
lymphangiosarcoma
cancerous tumour of lymphatic vessels
lymphoma
cancerous tumour of lymphoid tissue
lymphosarcoma
cancerous disease of lymphatic tissue
medulloblastoma
cancerous tumour of the brain; fourth ventricle and cerebellum
meningioma
cancerous tumour originating in the meninges of the brain
mucositis
inflammation of the oral mucosa
mutagen
agent that causes a change in the DNA
mutation
process by which DNA is changed
mycotoxin
substance produced by fungus growing in food or animal feed that can cause cancer if ingested
myeloma
tumour arising in hemopoietic portion of bone marrow
myosarcoma
cancerous tumour of muscle tissue
neoplasm
new tissue formed, such as abnormal growth or tumour
nephroblastoma
cancerous tumour of the kidney
neuroblastoma
cancerous tumour composed mainly of neuroblasts
oligodendroglioma
cancerous tumour composed mainly of neuroglial cells, located in cerebrum
oncogenes
cancer-causing genes
oncogenic
pertaining to the potential formation of tumours
osteogenic sarcoma
cancerous tumour composed of bone tissue
Paget’s disease of the breast
a rare form of breast cancer
port
in radiation therapy, refers to the skin area of entry for radiation
proliferation
process of rapid production
remission
process of lessening the severity of symptoms
reticulosarcoma
cancerous tumour of the lymphatic system
retinoblastoma
cancerous tumour of the retina
rhabdomyosarcoma
cancerous tumour originating from same embryonic cells that become striated muscles
seminoma
cancerous tumour of the testis
tamponade (cardiac)
excessive fluid in the pericardial sac
teletherapy
radiation therapy where radioactive substance is at a distance from body area being treated
teratoma
cancerous tumour of the ovary or testis
thymoma
tumour of the thymus gland
trismus
pertaining to the inability to open the mouth fully
Wilms’ tumour
cancerous tumour of the kidney, occurring mainly in children
xerostomia
condition of dryness of the mouth
nephroblastoma is also known as
Wilms’ tumour