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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 1 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 1

From: Correlation between modified CT severity index and retroperitoneal extension using the interfascial planes in the grading of clinically suspected acute severe pancreatitis

Fig. 1

Retroperitoneal illustrative drawings showing the pathway of the spread of acute pancreatitis. a Cross-sectional drawing at the level of the left kidney showing the retroperitoneal spaces: the anterior pararenal space (APS), perirenal space (PRS), and posterior pararenal space (PPS). The interfascial planes: the retromesenteric plane (RMS), retrorenal plane (RRP), and lateroconal plane (1). A narrow connecting the passage way communicates the subfascial plane with the retrorenal plane. Red arrows show the retroperitoneal pathway of spread of acute pancreatitis. b Sagittal drawing shows the combined interfascial plane (CIB) continues into the prevesical space (PV) and presacral space (PS) in the pelvis. Abbreviations: K: kidney, PM: psoas muscle, QLM: quadratus lumborum muscle, SFP: subfascial plane, TF: transversalis fascia, C: colon. Quoted and edited from [7]

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