PMC5960247_01
The abdominal computed tomography (CT) scan confirmed a well-defined cystic neoplasm in the pancreatic tail (A), without enhancement in the arterial phase (B) and the portal phase (C). Endoscopic ultrasonography (EUS) showed a 3.5 cm multilocular cystic lesion in the pancreatic tail with an internal nodule (D).
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Abdominal computed tomography (CT) revealed a well-defined cystic neoplasm, which was located in the tail of pancreas and approaching to splenic hilum (Figure 1A), without enhancement in the arterial phase (Figure 1B) and the portal phase (Figure 1C). Additionally, endoscopic ultrasonography (EUS) showed a 3.5 cm multilocular cystic lesion in the pancreatic tail with an internal nodule (Figure 1D).
(A) Gross appearance of the epidermoid cyst in an intrapancreatic accessory spleen (ECIPAS), with 4 cm at its greatest diameter. (B) Microscopic analysis revealed a multilocular cyst surrounded by accessory splenic tissue in the pancreas parenchyma, and the cyst wall showed a thin multilayered squamous epithelium (H&E staining, x50).
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Macroscopic analysis revealed that the mass in the tail of the pancreas was 4 cm at its greatest diameter and consisted of parenchymal and cystic components (Figure 2A). Microscopic analysis revealed a multilocular cyst surrounded by accessory splenic tissue in the pancreas parenchyma, and the cyst wall showed a thin multilayered squamous epithelium (Figure 2B).