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26 March 2021: Articles

Metastatic Infiltration of Anaplastic Carcinoma of the Pancreas Into the Portal Venous System: A Masquerading Cause of Expansive Portal Venous Thrombosis

Challenging differential diagnosis

Yuka Hirakawa A , Masaki Tago A* , Naoko E. Katsuki A , Seijiro Makio A , Shu-ichi Yamashita A

DOI: 10.12659/AJCR.929678

Am J Case Rep 2021; 22:e929678

Figure 5. Autopsy findings. (A) Macroscopic findings in the pancreas showing a 4-cm-diameter mass lesion expanding from the pancreatic head to the body (arrows). (B) Histopathological examination of the mass lesion showing proliferation of polymorphic malignant cells with circular- to spindle-shaped nuclei with large and small disparities in diameter (hematoxylin and eosin staining; original magnification ×400). (C) Macroscopic findings in the liver showing extension of the tumor mainly through the intrahepatic portal veins (arrows). (D) Histopathological examination of the liver showing infiltration of the same malignant cells in the intrahepatic portal vein (arrow) and in the liver parenchyma (arrowhead) (hematoxylin and eosin staining; original magnification ×100).

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923