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Figure 10b.   Chronic pancreatitis associated with diffuse cystic changes. (a) Transverse US image shows the pancreatic head and body filled with small (<2-cm) cysts. (b) Coronal US image of the spleen (S) shows small cysts in the tail of the pancreas (arrowheads). (c) CT scan corresponding to a shows the pancreas filled with small cysts. (d) CT scan corresponding to b also demonstrates numerous small cysts filling the tail of the pancreas (arrowhead). Aspiration showed whitish milky or semipurulent intracystic fluid due to chronic infection.