1 ESGE suggests using contrast-enhanced computed tomography (CT) as the first-line
imaging modality on admission when indicated and up to the 4th week from onset in the
absence of contraindications. Magnetic resonance imaging (MRI) may be used instead of
CT in patients with contraindications to contrast-enhanced CT, and after the 4th week from
onset when invasive intervention is considered because the contents (liquid vs. solid) of
pancreatic collections are better characterized by MRI and evaluation of pancreatic duct …

This Guideline is an official statement of the European Society of Gastrointestinal Endoscopy
(ESGE) on the management of acute necrotizing pancreatitis. The Grading of
Recommendations Assessment, Development and Evaluation (GRADE) system was
adopted to define the strength of recommendations and the quality of evidence.