Lung Cance: non-small cell Flashcards
most common type of lung cancer in non smokers ?
adenocarcinoma
usually in adenocarcinoma bronchoscopy does not reveal anything why ?
because it typically occurs peripherally
C
V
C
C
C
V
V
V
V
V
G
V
C
V
In non-small cell carcinoma, mediastinoscopy is always performed before surgery why ?
CT does not always show mediastinal lymph node involvement
In non small cell carcinoma only 20% suitable for surgery, Surgery contraindications?
general health
stage IIIb or IV (i.e. metastases present)
FEV1 < 1.5 litres is considered a general cut-off point
malignant pleural effusion
tumour near hilum
vocal cord paralysis
SVC obstruction
In non small cell carcinoma if FEV1 < 1.5 what do we do ?
lobectomy
In non small cell carcinoma if FEV1 < 2 what do we do ?
pneumonectomy
non small cell carcinoma has poor response to
chemotherapy
X
C
X
Paraneoplastic features of lung cancer
squamous cell lung cancer
PTH related peptide - hypercalcemia
ectopic TSH - hyperthyroidism
in squamous cell cancer which is the most prominent feature ?
finger clubbing!!!
typically central
cavitating lesions are more common than other types
hypertrophic pulmonary osteoarthropathy (HPOA)
x
x
x
Large cell lung carcinoma features ?
typically peripheral
anaplastic, poorly differentiated tumours with a poor prognosis
paraneoplastic features of large cell lung cancer ?
B - HCG
paraneoplastic features of large cell lung cancer ?
B - HCG