Chapter 8 Flashcards
(44 cards)
An abnormal and uncontrolled multiplication of cells
cancer
A mass of tissue cells that does
tumor
a mass of tissue made up of cells similar to surrounding cells by is enclosed in a membrane that prevents them from spreading
benign tumour
Can a benign tumour cause death?
yes, it can constrict blood vesicles or interfere with bodily functions
A tumor that can invade the surrounding tissues
malignant tumour
How does a malignant tumour spread
if a cell gets into the circulation system or the lymphatic system
How is a tumour diagnosed?
Through the detection of a lump in an x-ray or a biopsy
The spreading of cancer cells from one part of the body to another
metastasis
how does metastasis work?
some cells break away from the primary tumour and pass into the lymph or blood vessels. The tumour cell can recruit normal cells to use as envoys of travel and attract more cancer cells. They will keep replicating at the new location
The seeding process at a new site
metastasizing
The location of new tutors formed from traveling cells
secondary tumours or metastases
When some cases of cancer disappear and is considered under control, but does not happen without treatment
remission
What is the most common types of cancer in men and women?
men: prostate. women: breast
What is the deadliest type of cancer?
lung and bronchus
How are tumours classified?
according to the type of cells that cause it
cancer that comes from the tissues that cover the external body and line the internal organs
carcinomas
cancer that comes from cells in the connective tissues
sarcomas
cancers of the lymph nodes or immune system
lymphomas
cancers of the bone marrow
leukemias
Risk factors of developing cancer
tobacco use, high alcohol consumption, exposure to carcinogens, less contact with health care professionals
How is lung cancer detected and treated?
detected in a CT scan or X-ray and treated using surgery or chemotherapy. Other measures like phototherapy, gene therapy and a vaccine are incoming
Risks factors for colon and rectal cancer
Genetics that create polyps, lifestyle like eating a lot of red meat, and regular use of anti-inflammatory drugs
How is colon cancer detected and treated??
monitoring polyps, fecal test, and recall scans. Usually treated through surgery, radiation or chemotherapy
Risk factors for breast cancer
Genetics, early menstruation, late menopause, having no children, having first child after 30, high breast density, using hormone replacement, and being physically inactive.
