Oncology Flashcards
1 cause of of preventable cancer
tobacco
Risk factors for Cancer
- Alcohol + tobacco = Co-carcinogenic
- Low fiber, ↑red meat, ↑animal fat, Nitrites (processed sandwich meats), alcohol, preservatives and additives
- Obesity
- Immunosuppressed
- Aging (>60)
- African Americans → Caucasians
- Heredity
- exposure to UV-radiation and carcinogens
- Stress
- Chronic irritation = uncontrolled growth of abnormal cells
- Previous medical hx of other types of cancer or chemotherapy
Cancer Primary prevention
- No smoking
- exercise and good nutrition
- maintain normal body wt
- limit/eliminate alcohol
- Hep B and HPV vaccines
- avoid exposure to known carcinogens - wear suncreen, avoid prolong sun exposure, avoid 2n-hand smoke
Cancer Secondary prevention FEMALES • BSE? • Clinical breast exams? • Mammogram? Teaching? • Pap smear? • Colonoscopy? • fecal occult blood test?
• beginning in 20’s - monthly breast self-exams (BSE)
- day 7 - day 12; or same day every month
• 40 yo - Yearly clinical breast exams; 20 - 39 yo once every 3 yrs
• 40 yo - Mammogram; DO NOT apply lotion/powder/deodorant beforehand
• at 21, start Pap Smear then every 3 yrs
• at 50, Colonoscopy - then every 10 yrs
• at 50, testing stool for fecal occult blood YEARLY
Cancer Secondary prevention MALES • Clinical Testicular exams? • TSE? • digital rectal exam, prostate specific antigen (PSA)? • colonoscopy? • fecal occult blood test?
• info about breast self-awareness
• Yearly clinical testicular exams
- Monthly testicular self-exams (TSE); testicular cancer common in age group of 15-36 yo
• >50 - digital rectal exam and prostate-specific antigen (PSA)
• at 50, Colonoscopy then every 10 yrs
• at 50, testing stool for fecal occult blood YEARLY
Cancer Tertiary prevention
- support groups
* rehabilitation programs
General S/SX of Cancer?
• What’s C.A.U.T.I.O.N.?
Change in bowel/bladder habits A sore that does not heal Unusual bleeding/discharge Thickening or lump in breast/elsewhere Indigestion or difficulty swallowing Obvious change in wart/mole Nagging cough or hoarseness
- anemia, leukopenia, thrombocytopenia
- Unexplained weight loss (CACHEXIA: extreme wasting and malnutrition)
- Fever
- FATIGUE - #1 Symptom (doesn’t get better w/ sleep)
- Pain
Cancer:
Bleeding Precautions
- Use an electric razor
- Use a soft toothbrush
- No IMs
- Quiet play for children
Cancer:
Blood Tests
- Abnormal CBC and diff - Always worry about NEUTROPHIL COUNT (normal: 2500-8000)
- ↑ AST and ALT
- tumor biomarkers
Cancer:
Positive Diagnostic Studies
CXR CT MRI PET Scan Bone marrow biopsy Tissue biopsy Imaging studies
Cancer:
Surgery is used for?
Prevention - removing benign tumor
Diagnosis - staging, biopsy, lymph node mapping
Treatment
Curative Surgery: Tx for laryngeal cancer?
Total laryngectomy (removal of VOCAL cords, epiglottis, thyroid cartilage)
TOTAL LARYNGECTOMY
• This client will have a permanent what?
• Position post-op?
• NG feedings to protect what? why it’s used?
• Monitor what?
• Watch for ____ artery rupture = MEDICAL EMERGENCY-CALL PROVIDER
• Rupture of the _____ artery = go to OR ASAP!
• Frequent ____ care to decrease bacterial count in mouth
• NPO people tend to get ____
• When the client leaves the hospital, what will be used to cover trach and acts like a filter?
• A _____ environment helps
• All breathing is done thru the ____
• How does a client w/ total laryngectomy talk?
• DONT’s of total laryngectomy
- Permanent tracheostomy or laryngectomy
- Position - MID FOWLERS
- NG feedings to protect SUTURE LINE because PERISTALSIS can disrupt it
- Monitor DRAINS
- Watch for CAROTID artery rupture = MEDICAL EMERGENCY-CALL PROVIDER
- Rupture of the INNOMINATE artery = go to OR ASAP!
- Frequent ORAL care to decrease bacterial count in mouth
- NPO people tend to get PNEUMONIA
- BIB will be used to cover trach and acts like a filter?
- A HUMIDIFIED environment helps
- All breathing is done thru the STOMA
- A client w/ total laryngectomy talk with an electrolarynx or the BLOM-SINGER DEVICE
- NO WHISTLING, NO DRINKING THRU STRAW; SMOKING AND SWIMMING NOT RECOMMENDED
Reconstructive Surgery: Tx for breast cancer?
Mastectomy - partial or total (radical)
MASTECTOMY Post-Op Care
• Bleeding–what to check?
• if reconstruction includes using their own tissue, they will also have an ____ surgical site
• what type of drains will they have?
- Check dressings, front and back (pooling of blood can occur)
- they will also have an ABDOMINAL surgical site (most common site to harvest adipose tissue)
- Hemovac or Jackson-Pratt drains
MASTECTOMY Nursing Care (if lymph nodes also removed)
• Brush hair, squeeze tennis balls, wall climbing, flex and extend elbow. Why?
- NO CONSTRICTION
- no BPs
- no blouses w/ elastic
- no watch
- no IV or injections on affected side
- wear gloves when gardening
- watch small cuts
- no nail biting
- no sunburn
• Promotes NEW (collateral) circulation
Internal Radiation
• Use?
• it’s internal radiation, so it’s ____ the body
• w/ all types, the client emits ____ for a period of time and is a hazard to others
• Unsealed?
• Sealed/Solid? Examples?
(BRACHYTHERAPY)
• Used to get the radiation close to the cancer or target tissue
• it’s INSIDE the body
• client emits RADIATION
• Unsealed (client and body fluids emit radiation); IV or PO; Radioactive for 24-48 hrs
• Sealed/Solid (client emits radiation, not body fluids_; temporary or permanent implant placed close to or inside tumor
—Examples: Implantable seeds (prostate ca); vaginal implant (cervical ca)
Precautions w/ Internal Radiation (BRACHYTHERAPY)
• Nursing assignments should be rotated ____, so the nurse is not continuously exposed.
• Nurse should only care for ____ client w/ a radiation implant in a given shift
• Placed in a ____ room? why?
• Wear ____ at all times
• Time limit for visitors? Distance from source? No visitors for ages less than what? No ____ visitors/nurses
• Mark the room w/ instruction for what?
• wear ____ w/ risk of exposure to body fluids
• Prevent dislodgement of the implant by: Keep client on ____, Decrease ____ in diet, Prevent bladder ____
• What do you do if the implant becomes dislodged and you see it?
• Teaching for client?
• Nursing assignments rotated DAILY
• Only care for ONE client w/ radiation implant
• PRIVATE room coz client is IMMUNOSUPPRESSED
• wear FILM BADGE at all times
• only 30 MINUTES per day; at least 6 FEET from source; No visitors <16 yo; No PREGNANT visitors/nurses
• Mark the room w/ instruction for SPECIFIC ISOTOPE
• Wear GLOVES w/ risk of exposure to body fluids
• Prevent dislodgement of the implant by: Keep client on BED REST, Decrease FIBER in diet, Prevent bladder DISTENTION
• dislodged implant - Gloves → Use forceps to pick up dislodged implant → Place implant in a lead-lined container → leave in room, call radiation department
• Teaching:
–After radiation, NO SLEEPING in the same bed w/ spouse or children
–NO USE of public transportation
–NO to returning to work immediately
–NO SHARING of utensils or cooking for others
–After us, close lid then flush toilet 2-3 times