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50 Cards in this Set

  • Front
  • Back
neoplasm
an abnormal mass of tissue; can be benign or malignant
benign
unregulated growth WITHOUT tissue invasion

abnormal cell but no invasion into tissues
malignant
unregulated growth WITH tissue invasion +/- metastases
metastasis
distant spread of neoplasm

ex. lung cancer metastasized to brain
What is the most common cancer in men?
prostate

2: lung
3: colon
What is the most common cancer in women?
breast

2: lung
3: colon
cancer
uncontrolled growth of abnormal cells in the body
What type of cancer is the #1 killer of men?
lung

2: prostate
3: colon
What type of cancer is the #1 killer of women?
lung

2: breast
3: colon
What are the main causes of cancer?
#1: idiopathic (unknown)

carcinogens; ionizing radiation; UV light; bacterial/viral; genetic (breast cancer: BRCA1/2); meds
What types of meds can cause cancer?
hormonal agents (estrogens)
chemo agents (2nd cancers)
immunomodulators (azathioprine)
carcinoma
cancer of epithelial tissue (most of organs such as breast, colon, lung); organs & tissues epithelium that line: lung, colon, liver, prostate, kidney, breast, ovulation, skin
melanoma
cancer of the melanocytes (pigment cells in the skin)
sarcoma
cancer of mesenchymal tissue (bone, muscle, & fat)

more rare
leukemia
cancer of hematopoietic stem cells (cells in bone marrow & blood)

liquid tumor
lymphoma
cancer of lymphoid cells (B cells, T cells, & lymph cells)

liquid cancer
What are the signs & symptoms of cancer?
asymptomatic
non-specific
unexplained weight loss - common
fever - common
fatigue - common
pain
skin changes
sometimes cancer specific
fine needle aspiration (FNA)
type of biopsy to diagnose cancer by taking a needle size piece of tumor
excisional biopsy
take whole thing out

ex. lymphoma - remove whole lymph node
incisional biopsy
taking a piece of the tissue
What are the different ways to diagnose cancer?
- biopsy - tissue sample needed for definitive diagnosis
- lab values: peripheral blood - CBC, specific markers
- imaging studies or scans: size of tumor, penetration or effect on different organ systems; distant metastasis
What are the factors that determine the particular stage of cancer?
- dx specific
- oncology/solid organ: TNM staging
- dx progression: I-IV (w/ I has not progressed as much)
- prognosis
TNM Staging
most common school of staging

T: tumor size or location
N: what lymph nodes or how many the cancer is in
M: metastasis
cure
cancer goes away forever (magic #: 5)
remission
cancer goes away but not @ 5 yr mark
relapse
have cancer before, you went into remission, cancer came back
Overall Survival (OS)
time from start of tx until death (endpoint: death)
Progression Free Survival (PFS)
time from start of tx until dx progresses or grows (shorter than overall survival)

used in cancer where goal is to prevent cancer from growing; not going to get rid of it; look @ point where dx grows
What are the 2 types of cancer treatment?
local & systemic
local cancer treatment
surgery; radiation
systemic cancer treatment
chemotherapy; other
What is the goal of surgery in cancer treatment?
to have negative margins (where all cancer is removed by surgery & around the cancer is all normal tissue)

positive margin: some of cancerous tissue is in outside of margins of area that was excised
What are the adverse effects of surgery?
bronchopneumonia
congestive heart failure
acute myocardial infarction
pulmonary embolism
respiratory failure
What is the purpose of surgery?
curative
treatment, along w/ other modes
debulking
palliative sx
reconstruction
urgent
radiation therapy (XRT)
medical use of ionizing radiation to control cancer

types: external beam & brachytherapy or internal (placement of radioactive material in tumor)
What is the purpose of radiation?
curative
palliative
concurrent chemoradiation (Ex. Cisplatin)
What are the adverse effects of radiation?
acute (1-2 wks): mucositis; N/D; fatigue; proctitis
subacute (2-3 wks): pneumonitis; liver dx
chronic (> 6 mo): fibrosis; fistula formation; organ damage; bowel obstruction; secondary cancer
Chemotherapy Regimen
medications used together to treat cancer

Ex. AC or doxorubicin (Adriamycin) & cyclophosphamide for breast cancer
Chemotherapy Cycle
number of days for treatment plus days to recover b/t treatments

Ex. AC has 14 day cycle, given for 4 cycles
What is the purpose of chemotherapy?
systemic treatment
curative
adjuvant (given after surgery or radiation)
neoadjuvant (given before surgery or radiation)
palliative
direct instillation into tumor
doubling time
time that cancer takes to double in number of cells or certain level

(faster doubling time = more aggressive cancer = chemo more effective)
What are the adverse effects of chemotherapy?
myelosuppression
N/V
alopecia
mucositis
infertility (usually not irreversible)
targeted therapy
medications that specifically target cancer cells on a molecular level (gene expression; growth regulation; angiogenesis, Ex. bevacizumab (Avastatin))
What are the adverse effects of targeted therapy?
infusion reactions
acneiform rash (more rash = better response)
diarrhea
hormonal therapy
seen in cancers that grow due to release of hormones

Ex. tamoxifen, selective anti-estrogen for breast cancer
biological response modifiers
used for cancers sensitive to the immune system

Ex. interleukin-2 for melanoma
cancer screening
detecting disease in asymptomatic patient
What is the goal of cancer screening?
to prevent morbidity and mortality
What are the cancers with screening available?
1. PSA - prostate
2. mammogram - breast
3. colonoscopy - colon
4. pap smear - cervical
5. skin screening - skin
6. low helical CT scans - lung
What are some lifestyle modifications for cancer prevention?
smoking cessation and alcohol avoidance
diet: reduce fat & calories
exercise