cancer Flashcards
tumor
new growth of tissue
neoplasm
abnormal, new mass of tissue
benign
usually well encapsulated and well differentiated, retain some normal tissue structure and do not invade or spread to distant locations
malignant
rapid growth rates and specific microscopic alterations including loss of differentiation; absence of normal tissue organization; lack of capsule; invasion into the blood vessels
metastasis
distant spread of malignant tumor
parenchyma
DNA cells that have been mutated
stroma
the supporting tissue for parenchyma
capsule
stroma encasing parenchyma
suffix for benign tumors
-oma
malignant tumor names
carcinoma or sarcoma
mixed tumor
one tumor w/ multiple parenchyma,
harder to treat
teratoma
neoplasm containing recognizable mature or immature cells
think “pregnant with twin”
what is the most important parameter of all oncology screening ?
relative change within a single patient
therefore don’t compare patients
A characteristic of a malignant tumor includes that it
can spread far from the tissue of origin
Which gene in its normal state negatively regulates cell proliferation?
Tumore suppressor genes