A 51-year-old man with a history of an abdominoperineal resection of the rectum and colostomy for rectal cancer underwent chemotherapy for multiple liver metastases.Twenty -two courses of the folinic acid, 5-fluorouracil(5-FU)and oxaliplatin(FOLFOX4)/bevacizumab(BEV)regimen and 39 courses of 5-FU/Leucovorin/BEV were administered.Progressive splenomegaly and stomal varices were observed during the course of chemotherapy.The patient was admitted due to excessive bleeding after colostomy.Angiography revealed bleeding stomal varices secondary to portal hypertension.Splenectomy was performed with subsequent reduction in the size of the stomal varices and no rebleeding was observed.Oxaliplatin -based chemotherapy could lead to hepatic sinusoidal dilation and induce splenomegaly and varix formation secondary to portal hypertension.Our experience with this case suggests that careful attention should be paid to stomal varices in colostomy patients receiving oxaliplatin-based chemotherapy.
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