GI ToolsGastroenterology and hepatology

Tokyo Guidelines 2018: acute cholecystitis

The Tokyo Guidelines 2018 (TG18) criteria for diagnosing acute cholecystitis and grading its severity, which guides the timing of cholecystectomy or drainage.

A. Local signs of inflammation
B. Systemic signs of inflammation
C. Imaging
Organ dysfunction (grade III, severe)
Grade II (moderate) features: any one

Enter the values above.

Diagnosis

Suspected: one item in A plus one item in B. Definite: one item in each of A, B and C.

Reference

Yokoe M, Hata J, Takada T, et al. Tokyo Guidelines 2018: diagnostic criteria and severity grading of acute cholecystitis. J Hepatobiliary Pancreat Sci. 2018;25(1):41-54.