Oncology: 1 Flashcards
Cancer be classified by :
- the tissue or blood cells where it starts
- the type
what are the 2 types of cancer?
Solid tumor and hematologic malignancies
Solid tumors arise from specific tissues.
types of solid tumors are:
- sarcomas
- carcinomas
sarcomas
begin in the connective tissue, the tissues that the body uses to connect or support other tissue.
carcinomas
(most common type of cancer)
originates from the epithelial tissues, and this is the tissue that lines your organs.
these are the cancers that originate in the lining of the organs like the lungs and liver, the breast, colon or prostate.
hematologic malignancies:
orginate from blood and lymphatic cells.
- cancer starts with one abnormal cell tha starts growing and dividng out of control
- leukemia, lymphoma , etc
define metastasis
the “traveling” or extension of the primary cancer to other sites of the body
metastasis occurs by :
- direct invasion
- through the blood system
- through the lymphatic system
What are the risk factors for cancer?
- tobacco (#1 cause of preventable cancer)
- alcohol + tobacco
- dietary (low fiber, increased red meat, nitrates, increased animal fat, alcohol, preservatives and additives)
- immunosuppressed
- aging (higher incidence of cancer > age 60)
- african americans
- heredity
- UV
- carcinogens
- stress
- chronic irratation
- previous history of other types of cancer or chemo
primary prevention:
- No smoking
- exercise and good nutrition
- maintain normal body weight
- limit or eliminate alcohol intake
- vaccines for preventable viral exposures (hep b or HPV)
- avoid exposure to known carcinogens
secondary prevention
(This is when we use screening to pick up on cancer early, when there is a greater chance for cure or control)
secondary prevention for females
- breast self awareness is recommended
- beginning in their 20s,women should be told about the benefits and limitations of monthly breast self exam (BSE)
- yearly clinical breast exams for women greater than 40, women between 20-39 need one every 3 yrs.
- mammogran-annually starting at age 40
- pap smears beginning at age 21 and performed every 3 yrs if there have been no problems
- colonoscopy at age 50, then every 10 yrs if there have been no problems.
- testing the stool for fecal occult blood should be done yearly beginning at age 50, unless previous problems or a positive family history.
what day of the menstrual cycle are the best for doing self breast exam?
anytime from day 7 through day 12
post-menopausal or who have had hysterectomy should perform self-breast exam _____.
on the same say every month
before a mammogram what should you tell your client not to have on their body?
no lotion, no powder, no deodorant (can be picked up as calcium deposit)
secondary prevention for the male:
- provide info on breast self-exam awareness and have yearly testicular exams
- testicular tumors grow very fast, so many clinicians recommend monthly testicular self-exams
- digital rectal exam and PSA (prostate specific antigen) may be checked annually for men over the age of 50.
- colonoscopy at age 50 and then every 10 yrs and yearly fecal occult blood testing.
the major age group that gets testicular cancer is ____, between the age ____. teach TSE early
young men
15 and 36
tertiary prevention
focuses on the management of long term care for clients with complex treatments for cancer.
example: support group and rehab centers
General signs and symptoms of cancer:
- CAUTION
- anemia
- unexplained weight loss
- fever
- fatigue
- pain