cancer Flashcards
(25 cards)
cells that are uniform size, shape and structure
normal cells
normal cells change to form specific tissue and physiologic function
differentiation
disorganization of cells, varies, can reverse or progress
dysplasia
increased number of cells in tissue = mass
hyperplasia
abnormal growths, new tissue without purpose = neoplasms
tumors
Tumors: benign, malignant
primary - ______
secondary - _______
carcinoma in situ - _______
anaplastic - _________
primary - local cells
secondary - metastasized from other tissue (in predictable pattern)
carcinoma in situ - pre invasive, premalignant, epithelial from glandular/squamous cells
anaplastic - undifferentiated, no sign of parent tissue
neoplasms are classified by 5:
- cell or tissue type
- origin
- differentiation
- site
- benign/malignant
moles, ganglion, fibromas, lipomas
small to 3-4 inches
usually painless and does not spread
benign
type: _______ protect, excrete, absorb
names: carcinoma, adenocarcinomas - glandular
epithelial
type: _______ in tissue, mm, bone, cartilage, fat
name: sarcomas
connective tissue
type: ______ in brain and spinal cord
name: astrocytoma
nerves
type: _____ in lymph nodes, spleen
name: lymphoma
lymphoid
type: ______ in bone marrow
name: leukemia
hematopoietic
staging based on (4):
- extent of disease
- rate of growth
- prognosis
- comparisons
stage 0 -
stage I -
stage II -
stage III -
stage IV -
stage 0 - in situ
stage I - local
stage II - tumor size
stage III - spread
stage IV - distant sites
grading (different than staging) scale of 1-4:
1 -
4-
1 - more closely resembles the tissue of origin
4 - poorly differentiated cells, more likely to metastasize early
factors, epidemiology (6)
- geographic/environment
- lifestyle
- 2nd leading cause of death in USA
- nutrition, smoking, lack of exercise, ozone destruction
- men: prostate, lung colon
- women: breast, lung, colon
etiology (3)
genetic - theory of oncogenes
environmental/exogenous
multi-factorial: viral, chemical, hormones, ETOH
risk factors:
- age
- lifestyle
- modifiable: tobacco, ETOH, obesity, inactivity, diet/nutrition, unsafe sex, pollution
primary tumor breaks away, travels via blood and/or lymph to organ capillaries
common sites: nodes, liver, lung, bone, brain
influences: aging, immune supression, hormonal, pregnancy, stress
occur: 3-5 yrs up to 15-20 yrs
metastases
_______ pain is a red flag for cancer
thoracic pain
questions to ask pt:
- pain worse at night?
- pain not relieved with rest?
- pain constant, rather than intermittent?
- night sweats?
- unexplained weight loss >10lbs in last few months
- decreased memory?
- thoracic pain?
- family history of CA?
SandS (6):
- frequently asymptomatic
- N/V, retching, anorexia, unplanned weight loss
- pain (most common)
- depression
- fatigue
- mole, non-healing wound
pain can present as _____, _____, _____
somatic, visceral, neuropathic