Application of Contrast-Enhanced Ultrasound in Cystic Pancreatic Lesions Using a Simplified Classification Diagnostic Criterion

Figure 1

Schematic diagram of the four morphologic types of cystic pancreatic lesions. (a) Type I unilocular cyst. (b) Type II microcystic lesion. (c) Type III macrocystic lesion. (d) Type IV cystic lesions with solid components or irregular thickening of the cystic wall or septa.

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(b)

(c)

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