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Question 1

What electrolyte imbalances are associated with the following lung cancers:
- Small cell lung cancer
- Squamous cell lung cancer

Answer 1

Small cell - Increase in cortisol due to ACTH production from the tumour -> Cushing’s disease

Squamous cell lung cancer - hypercalcaemia
- due to PTH like peptide formation from the tumour -> Increase Ca+

Question 2

Describe the locations of the lung cancers

Which are most common in smokers?

Answer 2

Small cell - hilar
- common in smokers

Squamous cell - hilar
- common in current smokers

Adenocarcinoma - peripheral
- most common in non-smokers
- best prognosis

Large cell - whole lung

Question 3

What is Pemberton’s test?

What does it assess for?

How is it managed?

Answer 3

raising both arms above the head results in:
- facial plethora
- raised JVP
- Inspiratory stridor

SVC obstruction

Oral prednisolone