Table 1.

Indications to perform contrast-enhanced computed tomography[58]

Types	Indications
Initial imaging	1 When the diagnosis of acute pancreatitis is uncertain 2 Patients with hyperamylasemia, severe clinical pancreatitis, abdominal distention and tenderness, fever > 102°, and leukocytosis for the detection of complications 3 Ranson score > 3 or APACHE score > 8 4 Patients who fail to improve after 72 h of conservative medical therapy 5 Acute change in clinical status, such as new fever, pain, and shock after successful initial medical therapy
Followup imaging	1 Acute change in clinical status suggesting complication 2 7-10 d after presentation if CT severity score is 3-10 at presentation or grade 3 To determine response to treatment after surgery or interventional radiologic procedures to document response to treatment. 4 Before discharge of patients with severe acute pancreatitis