PULMONARY NEOPLASMS QUESTIONS AND ANSWERS A+ GRADED .Buy Quality Materials!
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Course
PULMONARY NEOPLASMS
Institution
PULMONARY NEOPLASMS
PULMONARY NEOPLASMS QUESTIONS AND ANSWERS A+ GRADED .Buy Quality Materials!
Lung cancer epidemiology
2nd most common cancer world-wide (after breast cancer)
Median age at diagnosis = 71
USPSTF screening guidelines for lung cancer
Annual screening for lung cancer with low-dose CT in adult...
PULMONARY NEOPLASMS QUESTIONS AND ANSWERS A+
GRADED .Buy Quality Materials!
Lung cancer epidemiology
2nd most common cancer world-wide (after breast cancer)
Median age at diagnosis = 71
USPSTF screening guidelines for lung cancer
Annual screening for lung cancer with low-dose CT in adults aged 50 to 80 years who
have a 20 pack-year smoking history and currently smoke or have quit within the past
15 years.
Should also have good life expectancy
Low dose CT for lung cancer screening conclusions
Can significantly reduce lung ca mortality (early detection), but high false positive rates
Who is at high risk for lung cancer?
- Age >50
- Current or past smokers (<15 year cessation)
- Additional risk factors (radon, occupation, pollution, FMHx etc)
Lung cancer s/s
Hemoptysis, dyspnea (may be confused with TB, but TB has night sweat), hoarseness,
cough, change in endurance, chest pain, pleuritic pain on inspiration, displaced trachea.
May metastasize to bone
Small-cell carcinoma
neuroendocrine tumor, usually primary, more lethal
Surgery is rarely used as the cancer has usually already spread by the time it is found
Lung cancer histology
99% are carcinomas (malignant tumors that occurs in epithelial tissue)
-Majority (83%) are non-small cell carcinomas (most commonly adenocarcinoma or
squamous cell)
-13% are small-cell carcinoma: DEADLIEST
Sarcoma
Rare malignant tumor of connective tissue
Primary lung sarcomas are very rare but sarcomas commonly metastasize to the lung
Carcinoid
rare neuroendocrine tumor that arises from lung or GI tract
may secrete hormones such as serotonin
Describe the primary approaches to the treatment of lung cancer
surgery
radiation
chemotherapy
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