Chapter 20 - Neoplasms and Cancer Flashcards
neoplasm
Also called tumor.
An abnormal mass of tissue that forms when cells grow and divide more than they should or do not die when they should. Neoplasms may be benign (not cancer) or malignant (cancer).
Benign neoplasms may grow large but do not spread into, or invade, nearby tissues or other parts of the body.
Malignant neoplasms can spread into, or invade, nearby tissues. They can also spread to other parts of the body through the blood and lymph systems.
antineoplastic drugs
Antineoplastic drugs are medications used to treat cancer. Antineoplastic drugs are also called anticancer, chemotherapy, chemo, cytotoxic, or hazardous drugs.
These drugs come in many forms. Some are liquids that are injected into the patient and some are pills that patients take.
tumor genomic assay
Tumor genomic assays (or tests) analyze a sample of a cancer tumor to see how active certain genes are. The activity level of these genes affects the behavior of the cancer, including how likely it is to grow and spread.
Genomic tests are used to help make decisions about whether more treatments after surgery would be beneficial.
assay
- to analyze (something, such as an ore) for one or more specific components
- to judge the worth of
- attempt
assessment
- the action or an instance of making a judgment about something
- the amount assessed: an amount that a person is officially required to pay especially as a tax
assess
- to make a judgment about (something)
- to officially say what the amount, value, or rate of (something) is
- to tax or charge (someone or something): to require (a person, business, etc.) to pay a particular amount of money
(singular: micrometastasis)
plural: micrometastases
a small collection of cancer cells that have been shed from the original tumor and spread to another part of the body through the blood or lymph nodes
metastasis
Metastasis means that cancer spreads to a different body part from where it started. When this happens, doctors say the cancer has “metastasized.” Your doctor may also call it “metastatic cancer,” “advanced cancer,” or “stage 4 cancer.” But these terms can have different meanings.
For example, a cancer that is large but has not spread to another body part can also be called advanced cancer or locally advanced cancer. Ask your doctor to explain where the cancer has spread.
zenith vs nadir vs horizon
zenith (def 1.): the strongest or most successful period of time
zenith (def 2.): the highest point reached in the sky by the sun, moon, etc.
zenith (def 3.): the point of the celestial sphere that is directly opposite the nadir and vertically above the observer
nadir (def 1.): the point of the celestial sphere that is directly opposite the zenith and vertically downward from the observer
nadir (def 2.): the lowest point
horizon (def 1.): the line where the earth or sea seems to meet the sky
horizon (def 2.): the limit or range of a person’s knowledge, understanding, or experience
horizon (def 3.): the limit of what is possible in a particular field or activity
In terms of astronomy, if I were to go outside: the zenith would be directly above me in the sky, the nadir would be directly below me under the ground, the horizon is what I see when I look straight ahead until I can’t see any further, but the true horizon is the imaginary line I would see if I could look at the curvature of the earth (which I can’t).
radiofrequency ablation
The use of an electric current to heat up a small area of nerve tissue to stop it from sending pain signals. It can provide lasting relief for people with chronic pain, especially in the lower back, neck and arthritic joints.
ablate, ablation
to remove or destroy especially by cutting, abrading, or evaporating
abrade
- to rub or wear away especially by friction: ERODE
2. to irritate or roughen by rubbing
tumor seeding
Tumor seeding or needle seeding refers to rare occurrences when the needle inserted into a tumor during a biopsy dislodges and spreads cancer cells. It is sometimes called needle track or tract seeding because the cancer cells grow along the needle’s track.
thrombocytopenia
a condition in which you have a low blood platelet count in the blood
parenteral nutrition
Parenteral nutrition, often called total parenteral nutrition, is the medical term for infusing a specialized form of food through a vein (intravenously). The goal of the treatment is to correct or prevent malnutrition.
Parenteral nutrition provides liquid nutrients, including carbohydrates, proteins, fats, vitamins, minerals and electrolytes. Some people use parenteral nutrition to supplement feeding through a tube placed into the stomach or small intestine and others use it by itself.