Cancer Flashcards
▪ 2nd Leading cause of Death in U.S.
Cancer
65% of people diagnosed survive
> 5 years
▪ Median age at diagnosis-
65 yrs old
▪ Risk of acquiring and dying cancer
▪ Gender differences
Cancer results from
Results from- alteration in cell DNA
structure, Oncogene, Inactivation of tumor suppressor
gene
What is the Critical gene related to cancer: tumor suppressor?
p53- monitors cellular DNA damage.
Stimulation of oncogene formation by:
Tobacco, alcohol & sunlight is responsible for 80% of cancers in the U.S
Staging of Cancer
the higher the number the worst you are
2 diagnostics tst
CT and MRI
Cancer treatment’s most serious adverse effects:
▪ Bone marrow suppression
▪ Cardiovascular toxicity
▪ Pulmonary toxicity
Chemotherapy cardiotoxicity
▪ Dysrhythmias ▪ Prolonged QT ▪ Cardiomyopathy ▪ Severe bradycardia ▪ Pericarditis ▪ Angina ▪ Coronary vasospasm ▪ Ischemia related EKG changes
Hematologic Radiation acute and chronic effect
Acute is : Bone marrow suppression
Chronic is : Coagulation necrosis
Endocrine radiation acute and chronic effect
No acute
Chronic: Endocrine Hypothyroidism, panhypopituitarism
Hepatic radiation acute and chronic effect
no chronic
ACute: Sinusoidal obstruction syndrome
Renal Radiation acute and chronic effects
Acute: Glomerulonephritis
Chronic: Glomerulosclerosis
Respiratory Radiation acute and chronic effects
Acute: none
Chronic: Airway fibrosis, pulmonary fibrosis, pneumonitis,
tracheal stenosis
Cardiac Radiation acute and chronic effects
ACute: none
Chronic: Cardiac Conduction defects, pericardial effusion, pericardial fibrosis, pericarditis
Skin Radiation acute and chronic
Acute: Erythema, rash, hair loss
Chronic: Fibrosis, sclerosis, telangiectasias
Gastrointestinal Radiation acute and Chronic
Acute: Malnutrition, mucositis, nausea, vomiting
Chronic: Adhesions, fistulas, strictures
▪ Alkylating agents causes
damage cell DNA
▪ Alkylating agents
Busulfan Carmustine Chlorambucil Cisplatin Cyclophosphamide Etoposide Ifosfamide Paclitaxel Vinblastine
Antitumor antibiotics:
form a complex with DNA or RNA
Antitumor antibiotics are
Doxorubicin
Bleomycin
Mitomycin
Mitoxantrone
Vitamin K dep
2,7, 10
If on steroids and unable to give PO give
Solu medrol 100mg IVP
CA Nervous system autonomic dysfunction
Labile BP
Methotrexate long term
Dementia