Thrombosis of the portal vein or its radicles is not uncommon as the terminal event in the clinical course of a number of different lesions affecting the abdominal viscera and vessels.
Lissauer1 found that portal thrombosis occurred 68 times among 26,687 cases which came to autopsy at the University of Breslau. In 6 of the 68 cases the thrombosis was associated with atrophic cirrhosis of the liver; in 7, with syphilis of the liver; in 2, with primary carcinoma of the liver; in 7, with carcinoma of the stomach, accompanied by metastatic growths in the liver; in 2, with secondary carcinoma of the liver; in 6, with primary carcinoma of the biliary passages; in 9, with gallstones and inflammatory lesions of the gall bladder; in 10, with diseases of the pancreas; in 1, with suppurative inflammation of the umbilical vein; in 6, with diseases of the spleen; in
LEWIS DD, ROSENOW EC. PRIMARY PORTAL THROMBOSISA STATISTICAL AND EXPERIMENTAL STUDY, WITH REPORT OF A CASE. Arch Intern Med (Chic). 1909;III(3):232–248. doi:10.1001/archinte.1909.00050140062005