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Solitary pulmonary nodule (aka ____) is defined as <___cm ______, _______
_______ on a chest imaging outlined by _____ ______
Solitary pulmonary nodule (aka 'coin lesion') is defined as
<3cm isolated, rounded opacity on a chest imaging outlined by normal lung
solitary pulmonary nodule is NOT associate with (3)?
infiltrate
atelectasis
adenopathy
Majority of solitary pulmonary nodules are ____ and are an ____ ____ on chest
imaging
Majority of solitary pulmonary nodules are Asymptomatic and are an incidental
finding on chest imaging
incidental findings are important bc nodules carrie a _________________ ?
significant risk of malignancy
what is the goal of treatment of pulmonary nodules?
resect malignant tumors while avoiding invasive procedures in benign disease
Pulmonary nodule: risk of malignancy
Decreased risk = ?
Increased risk = ?
Decreased risk = <30 y/o
Increased risk =
smokers
-amount smoked (pack per year hx)
prior malignancy
what is a pack year defined as?
twenty cigs smoked everyday for 1 year
Pulmonary nodule: risk of malignancy
Step 1 = _____ to estimate doubling time
- doubling time <30 days = ?
-doubling time >465 days suggests ?
review old imaging studies to estimate doubling time
- doubling time <30 days = infection
-doubling time >465 days suggests long-term stability and benign status
Pulmonary nodule: risk of malignancy
step 2 (pt 1) = evaluate nodule ____ imaging - _____
evaluate nodule CT imaging - SIZE
(malig increases as size does)
Pulmonary nodule: risk of malignancy
step 2 (pt 2) = evaluate nodule CT imaging- ________ and ______?
lower risk =?
evaluate nodule CT imaging - shape and appearance