Mesenteric and portal vein thrombosis associated with hyperhomocysteinemia and heterozygosity for factor V Leiden mutation

TO THE EDITOR A 79-year-old man was hospitalized because of worsening upper abdominal pain which started two days before admission and was continuously present. His personal and family historywas uneventful, he did not smoke and denied toxic habits or using any medications, including over the-counter medications, herbal remedies or any vitamin supplements.