9.8 - Lung cancer Flashcards
what can produce a coin lesion?
- lung cancer
- granuloma (TB, fungus, histo)
- bronchial hamartoma
bronchial hamartomas are composed of _______ and ________
lung tissue and cartilage
what are the subtypes of non-small cell lung cancer (85%)?
- adenocarcinoma (40%)
- squamous cell carcinoma (30%)
- large cell carcinoma (10%)
- carcinoid (5%)
pleural involvement is classically seen with what subtype of non-small cell lung cancer?
adenocarcinoma
histology: keratin pearls, intercellular bridges
squamous cell carcinoma
histology: columnar cells that grow along preexisting bronchioles and alveoli
bronchioloalveolar carcinoma
which type of lung cancer arises from club cells?
bronchioloalveolar carcinoma
carcinoid tumors stain positive for __________
chromogranin
bronchioloalveolar carcinoma arises from what cell type?
club cells
chromogranin is positive in what type of lung cancer?
carcinoid
what are the most common sources for metastatic lung cancer?
- breast
- colon
which lung cancers are located peripherally?
- adeno
- bronchioloalveolar
- carcinoid (sometimes)
“cannon ball” nodules on imaging - diagnosis?
metastatic lung cancer
which lung cancer produces PTHrP?
squamous cell carcinoma
histology: well differentiated neuroendocrine cells
carcinoid tumor