PMC4621174_01
CT scan of mass in the pancreatic tail region with a homogeneously cystic component with enhancing thin wall (arrows).. Abbreviation: CT, computed tomography.
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The mass had an enhancing thin wall, and the internal texture was homogeneously cystic without enhancing solid components (Figure 1).
Surgical specimen and microphotograph.. Notes: (A) Area of extensive hemorrhagic necrosis is seen (arrow) with normal pancreatic tissue at resection margin (arrowheads). (B) Microphotograph shows the characteristic pseudopapillary rosette of tumor cells (hematoxylin and eosin, x200).
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The tumor was found to be grossly 3.5 cm in maximal diameter, with a fibrous capsule with extensive hemorrhagic necrosis internally (Figure 2A). Pathological examination confirmed the diagnosis of SPN by demonstrating the characteristic pseudopapillae in which residual tumor cells appear to rosette around the vascular cores (Figure 2B).