W4 - Lung Cancer: Clinical Features, Investigation, Radiology, Surgery

Question 1

What does FDG PET use to produce an image? What’s it’s half life and post injection MBq?

Answer 1

18F - FDG
60 min half life
370MBq

Question 2

What are cons of FDG PET?

Answer 2

Expensive
Limited UK availability

Question 3

What size is a T1, T2, T3 and T4 cancer?

Answer 3

T1 - under 3cm
T2 - 3 to 5cm
T3 - 5 to 7cm
T4 - 7 or more

Question 4

T2 tumours have any of what 3 features?

Answer 4

Involves main bronchus (but not carina)

Invades visceral pleura

Associated with atelectasis or obstructive pneumonitis

Question 5

T3 invades any of what 3 things?

Answer 5

Chest wall
Phrenic nerve
Parietal pericardium

Question 6

N1 is invasion of any of what 3 things?

Answer 6

Ipsilateral peribronchial
Hilar
Intrapulmonary nodes

Question 7

N2 involves either of which 2 nodes?

Answer 7

Ipsilateral mediastinal
Subcarinal

Question 8

N3 involves any of what 4 nodes?

Answer 8

Contralateral mediastinal
Contralateral hilar
Scalene
Supraclavicular

Question 9

What 4 places can lung cancer metastasise?

Answer 9

Cerebral
Skeletal
Adrenal
Liver

Question 10

What are 2 features of M1a staging?

Answer 10

Separate tumour nodule in contralateral lobe

Tumour with pleural or pericardial nodules or malignant pleural or pericardial effusion

Question 11

What is M1b and M1c metastasis

Answer 11

M1b single distant metastasis
M1c multiple distant metastasis