List 5 common causes of acute pancreatitis in the United Kingdom?

Obstructive / Mechanical
  • Gall stones (50%) (1)
  • Malignancy: (1)
    • Pancreatic ductal carcinoma
    • Ampullary carcinoma
    • Islet cell tumour
    • Sarcoma
    • Lymphoma
  • ERCP (5% of procedures) (1)
  • Trauma
  • Penetrating duodenal ulcer
  • Congenital abnormalities
  • Cystic fibrosis
Parenchymal
  • Alcohol (20%) (1)
  • Autoimmune / vasculitic disease
  • Scorpion stings
Systemic
  • Hypoxemia / ischaemia (1)
  • Drugs (1)
  • Hypothermia
  • Hypercalcemia (1)
  • Hypertriglyceridemia (>20mmol/L) (1)
  • Viruses (Mumps, HIV, CMV, EBV) (1)
  • Other infections