Research Article

Evaluation of Inflammatory Infiltration in the Retroperitoneal Space of Acute Pancreatitis Using Computer Tomography and Its Correlation with Clinical Severity

Figure 1

Example of the severity grade of AP. (a) and (b) are MAP, patchy low-density nonenhanced areas; (c) and (d) are SAP, and large patchy effusion shadows are observed.
(a)
(b)
(c)
(d)