PMC6258519_01
Sagittal CT scan image showing a mesenteric amorphous aggregate surrounding the portal vein (arrows). The contrast media is visualized in the perianal area (arrow head) without appropriate visualization of the lymphatic system.
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F1
On abdominal CT scan, the amorphous mesenteric aggregate, previously identified on ultrasound, was seen, surrounding the portal vein (Fig. 1).
Transverse CT scan image showing a contact (star) between the caudal extremity of the right lobe of the pancreas (arrow) and the mesenteric aggregate (arrow head).
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F2
It had ill-defined heterogenous contrast enhancement (Fig. 2).
Hematoxylin and eosin staining. Pancreatic carcinoma displaying a sheet of large polygonal neoplastic cells with moderate anisokaryosis and a low mitotic index (star) with residual pancreatic acini (arrow head).
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F3
Biopsies revealed exocrine pancreatic tissue infiltrated by solid sheets of large polygonal cells with oval nuclei, prominent nucleoli and coarse chromatin (Fig. 3).
Hematoxylin and eosin staining. Mesenteric fat showing necrotic area (star) surrounded by vacuolated macrophages (arrow head).
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F4
Mesenteric fat tissue showed necrotic areas surrounded by vacuolated macrophages (Fig. 4).