Common invasive radiological procedures

Question 0

common diagnostic invasive imaging procedures

Answer 0

1. Biopsies
   - core biopsy for histopathology
   - fine needle aspiration for cytopathology
2. aspiration of collections
   - suspected abscesses
   - joint effusions
   - pleural effusions (pleurocentesis)
   - ascites (paracentesis)

Question 1

2 categories common invasive imaging procedures can be split into

Answer 1

1. Diagnostic

2. therapeutic aka interventional radiology

Question 2

Percutaneous urinary tract interventions

Answer 2

1. renal biopsy
2. antegrade pyelogram
3. nephrostomy
4. suprapubic catheter insertion

Question 3

Percutaneous biliary interventions

Answer 3

Percutaneous transhepatic cholangiogram

Question 4

Percutaneous oncology treatments

Answer 4

• tumour ablation

- Transarterial cheoembolization or irradiation

Question 5

Angiography - common vessels and indications

Answer 5

Aorta - aneurysms, dissection, stenosis
Cerebral - berry aneurysms, haemorrhage
Carotid - stenosis, occlusion
Renal - stenosis, haemorrhage
Mesenteric - haemorrhage
Peripheral (limbs) - stenosis, occlusion, aneurysm
Coronary - stenosis, occlusion

Question 6

Preparation for invasive procedures

Answer 6

• right procedure?
• right modality?
• bleeding risk issues
• explanation and consent
• check renal function
• fasting if sedation needed

Question 7

Common angiography based procedures

Answer 7

Venous access - tunnelled central lines, PICC lines
Percutaneous transluminal angioplasty - balloon dilatation of a vascular stenosis
Vascular stent - implanted metallic device for maintaining vascular lumen post angioplasty
Thrombolysis - dissolution of clot
Thrombectomy/ embolectomy - removal of clot
Atherectomy - removal of atheroma
Embolisation - occlusion of vessel using particulate matter or fine coils