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. 2020 Jul 1;10(7):445. doi: 10.3390/diagnostics10070445

Figure 2.

Figure 2

Definition of pancreatic parenchymal atrophy. (A); Partial pancreatic parenchymal atrophy (PPA) was defined when parameters obtained in CT met the following three criteria. First, a partial invagination of the pancreas parenchyma exhibited a width from the MPD wall of 4 mm or less (W1). Second, the length of the partial PPA ranged from 10 to 25 mm (L1). Third, the width of upstream side of parenchyma was more than 6 mm (W2). (B); Upstream PPA was defined as an overall upstream parenchymal atrophy with 4 mm or less in the width of stenosis site (W1) and upstream side (W3) of parenchyma.