Radiology of Lung Cancer And Staging 2

Question 1

What can a PET/CT scan in a single study

Answer 1

Whole body staging excluding cerebral disease

Question 2

What does a PET/CT disclose

Answer 2

Metastases and other pathologies the cannot be detected by other means (unexpected metastases in 10-20%)

Question 3

What are the limitations of a PET/CT

Answer 3

False negative/positive

Costs

Question 4

How is a stage 1A tumour classed on the TNM scale and what is its survival rate

Answer 4

T1 N0 M0

67%

Question 5

How is a stage 1B tumour classed on the TNM scale and what is its survival rate

Answer 5

T2 N0 M0

57%

Question 6

How is a stage 11A tumour classed on the TNM scale and what is its survival rate

Answer 6

T1 N1 M0

55%

Question 7

How is a stage 11B tumour classed on the TNM scale and what is its survival rate

Answer 7

T2 N1 M0/T3 N0 M0

39%

Question 8

How is a stage 111A tumour classed on the TNM scale and what is its survival rate

Answer 8

T3 N1 M0/T3 N2 M0

23%

Question 9

How is a stage 111B tumour classed on the TNM scale and what is its survival rate

Answer 9

T4 N0-2 M0/T1-4 N3 M0

5%

Question 10

How is a stage IV tumour classed on the TNM scale and what is its survival rate

Answer 10

Any T, Any N, M1

1%

Question 11

What methods are available for tissue diagnosis

Answer 11

Bronchoscopy and EBUS
Percutaneous image guided biopsy, fluoroscopy/CT/US guided
Mediastinoscopy to sample mediastinal nodes
Mediastinotomy for anterior mediastinal nodes
VATS
Explorative thoracotomy