L2: intrathoracic malignancy Flashcards
1
Q
two primary intrathoracic malignancys
A
lung
pleura
2
Q
lung malignancy=
A
carcinoma (>90%)
3
Q
pleura malignancy=
A
malignant mesothelioma
4
Q
90% of cases of lung cancer caused by
A
smoking
5
Q
relative risk of passive smoking
A
1.25
6
Q
3 other causes of lung cancer
A
radon
asbestos
chromates
7
Q
where does radon naturally occur
A
soil and rocks
8
Q
highest rates of radon in the UK
A
cornwall
9
Q
3 occupations with increased risk of radon
A
aircrew
nuclear fuel plant
power station workers
10
Q
3 properties of a maligant neoplasm
A
excessive growth
local invasiveness
ability to metastasise
11
Q
3 indirect actions of carcinogens
A
induction of chronic inflammation
hyperplasia
metaplasia
12
Q
what are mutations called that are essential for tumour cell survival
A
driver mutations
13
Q
how many carcinogens in cigarette smoke
A
43
