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. 2025 Sep 16;15(10):9375–9388. doi: 10.21037/qims-24-2260

Figure 3.

Figure 3

CT features of RAP of different etiologies. (A) In a 31-year-old man with alcoholic RAP, CT showed IEP with APFCs (as indicated by the thin white arrow). The patient had an APACHE II score of 2, moderately severe RAC, a MCTSI score of 4, and an EPIC score of 1. (B) In a 71-year-old man with biliary RAP, CT showed NP (*) with ANCs (as indicated by the thick white arrow). The patient had an APACHE II score of 7, moderately severe RAC, a MCTSI score of 8, and an EPIC score of 4. (C) In a 40-year-old man with hyperlipidemic RAP, CT showed IEP with APFCs (as indicated by the thin white arrow). The patient had an APACHE II score of 9, moderately severe RAC, a MCTSI score of 6, and an EPIC score of 4. (D) In a 28-year-old woman with RAP due to multiple etiologies, CT showed NP with ANCs (as indicated by the thick white arrow). The patient had an APACHE II score of 3, moderately severe RAC, a MCTSI score of 6, and an EPIC score of 4. (E) In a 51-year-old man with idiopathic RAP, CT showed IEP (as indicated by the thin white arrow). The patient had an APACHE II score of 2, mild RAC, a MCTSI score of 2, and an EPIC score of 0. ANCs, acute necrotic collections; APACHE II, Acute Physiology and Chronic Health Evaluation II; APFCs, acute peripancreatic fluid collections; CT, computed tomography; EPIC, extrapancreatic inflammation on computed tomography; IEP, interstitial edematous pancreatitis; MCTSI, modified CT severity index; NP, necrotizing pancreatitis; RAC, revised Atlanta classification; RAP, recurrent acute pancreatitis.