Acute necrotising parenchymal and perirenal infection caused by gas-forming uropathogens, usually E. coli

Aetiology

• Usually occurs in diabetics
• Often associated with ureteric obstruction

Clinical features

• Fever
• Vomiting
• Flank pain

Investigations

• KUB x-ray: gas
• CT: defines extent of emphysematous process

Management

• ITU support
• If not settling - nephrectomy