lung neoplasms Flashcards
first step when you see a mass on a CXR?
look for an old CXR
if no previous CXR or change in appearance, then what to do?
do a CT
central concentric popcorn calcifications; smooth margins on CXR - likely to be benign or cancer?
benign
if irregular calcification or NO calcification - likely to be benign or cancer?
cancer
what are teh most common cancers that metastasize to lung?
breast, colorectal, prostate, cervical, endometrial
what are the big 4 lung cancers?
SCLC, adenocarcinoma, LCC, SCC
if the pathology of a lung biopsy comes back with a lot of necrotic tissue, what is it most likely?
small cell lung cancer
which lung cancer has early distant metastasis?
small cell lung carcinoma
keratin pearls or intercellular bridges, cavitary
squamous cell carcinoma
what is the #1 lung cancer in nonsmokers, women, and ppl
adenocarcinoma
peripherally located, sheets of cells, can cause early cavitating masses, late distant metastasis, poorly differentiated
large cell carcinoma
when tumor obstructs venous drainage in SVC, presents with head swelling, CNS S/Sx, incr BP in upper extremities, venous congestion
SVC syndrome
which type of lung cancer can lead to cushings, SIADH, or eaton-lambert syndrome?
small cell carcinoma
DIC, thrombophlebitis, microangiopathic hemolytic anemia
adenocarcinoma
most likely metastasis sites
liver, brain, bone, adrenal
indications for low dose CT scan (4)
- age 55-74
- 30 pack year smoking hx
- current smoker, or quit in last 15 yrs
- relatively good health
prognosis of stage 4 lung cancer?
less than 1-2% 5 yr survival chance
when to do surgery + chemo?
stage 1 & 2 non small cell carcinoma
tx of advanced stage small cell carcinoma?
chemotx + radiation
if a person smokes and has exposure to asbestos, risk of mesothelioma is????
doubled
name that benign pulm neoplasm: peripheral, composed of normal tissue, higher rate in mean in 6/s, salitary, popcorn calcification
hamartomas
name that benign pulm neoplasm: central, slow growing, endobronchial, chronic cough, sx of obstruction, hemoptysis
bronchial adenoma