Radio 4: Thoracic Imaging

Question 1

Indications for CT

Answer 1

CTPA
HRCT [no contrast]- bronchieactasis 
Staging 
Perfusion maps
Tracheal imaging (insp and exp)
Lung / mediastinal Biopsy
Occasional Pleural drain placement
Tumour ablation

Question 2

Indications for PET-CT

Answer 2

Solitary Pulmonary Nodule (> 8mm)

Lung Cancer Staging

Where to biopsy

Question 3

Indications for MRI

Answer 3

Cardiac

Apical lung tumour surgical planning
Paravertebral lesions (e.g. nerve sheath tumours)
Thymic hyperplasia vs. Neoplasm
(PE in pregnancy)