The risk of delayed bleeding after EMR of large colorectal lesions is 3.7%. We developed a risk scoring system based on 6 factors that determined the risk for delayed bleeding (receiver operating characteristic curve, 0.77). The factors most strongly associated with delayed bleeding were right-sided lesions, aspirin use, and mucosal defects not closed by hemoclips. Patients considered to be high risk (score, 8-10) had a 40% probability of delayed bleeding.
Los tumores primarios de intestino delgado son muy infrecuentes, siendo todavía más raros los metastásicos. Es excepcional que las metástasis de intestino delgado se manifiesten antes que el tumor primario. La presentación clínica puede requerir una resección quirúrgica intestinal motivada por perforación, hemorragia, obstrucción-suboclusión intestinal e incluso invaginación intestinal. La supervivencia, es escasa y generalmente no supera las 20 semanas, independientemente del tratamiento que se realice.Palabras clave. Metástasis yeyunales. Cáncer de pulmón. Anemia ferropénica.
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