Lung tumours Flashcards
risk actors bronchial carcinoma
cigarette smoking, asbestos, chromium, arsenic, iron oxides, radiation
what is another word for small cell cancer
oat cell
which cancer is more aggressive SCLC or NSCLC
SCLC
symptoms
cough, haemoptysis, dyspnoea, chest pain, pneumonia, lethargy, anorexia, weight loss
signs
cachexia, anaemia, clubbing, HPOA, supraclav or axillary nodes. chest- none or consolidation, collapse, effusion. mets- bone tenderness, hepatomegaly, confusion, fits, focal CNS signs, cerebellar syndrome, proximal myopathy, peripheral neuropathy
local complications
recurrent laryngeal nerve paly, phrenic nerve palsy, SVC obstruction, Horners (pancoast), rib erosion, pericarditis, AF
other complications
met- brain, bone, liver, adrenals. endo- ectopic hormone secretion. non met neuro- confusion, fits, proximal myopathy, neuropathy, clubbing, dermatomyositis, acanthosis nigricans
tests
cytology- sputum and pleural fluid, CXR- peripheral nodule, hilar enlagement, consolidation, lung collapse, effusion. fine needle aspiration or biopsy. CT. bronchoscopy. PET. radionuclide bone scan
treatment NSCLC
excision, radio, chemo +- radio
treatment SCLC
almost always disseminated at presentation. chemo. palliation- radiotheraoy. pleural drainage and pleurodesis for symptomatic effusions
prognosis
non small cell 50% 2y without spread, 10% with spread. small cell- 3 m if untreated, 1-1.5y if treated