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 diagnosisYuka Hirakawa A , Masaki Tago A* , Naoko E. Katsuki A , Seijiro Makio A , Shu-ichi Yamashita A
Am J Case Rep 2021; 22:e929678
Figure 4. Histopathological examination of the liver biopsy in the 8th month after the first assessment (hematoxylin and eosin staining; original magnification. A: ×40, B: ×100). (A) Undifferentiated atypical cells are present in the intrahepatic portal vein (arrow). (B) Proliferation of polymorphic, spindle-shaped atypical cells are seen infiltrating the liver parenchyma.