The possibility of CMV infection was discarded. On the fifth day after admission the patient continued to have more than 10 daily bloody stools and abdominal pain. A simple abdominal radiography showed no colonic dilatation. The patient was evaluated by coloproctology due to high risk of colectomy. Prior to initiation of Infliximab, tests for antinuclear antibodies, surface antigen and anticore antibodies for Hepatitis B were requested.
Al quinto día de admisión, el paciente persiste con más de 10 deposiciones diarias con sangre, dolor abdominal, se solicita radiografía de abdomen simple que no muestra dilatación colónica, se valora por coloproctología ante alto riesgo de colectomía, y se solicitan anticuerpos antinucleares, antígeno de superficie y anticore para hepatitis B, los cuales fueron todos negativos, previo a inicio de infliximab.