An unusual cause of hematochezia.


uestion: A 79-year-old man awoke with abdominal ain and rectal bleeding. His past history was notable for splenectomy 6 years prior for immune thrombocytoenic purpura. He denied the use of antiplatelet and onsteroidal anti-inflammatory drugs. Upon initial evalation, he was found to be pale and hypotensive. aboratory data were pertinent for a significant… (More)
DOI: 10.1053/j.gastro.2009.06.067