巨细胞病毒(CMV)属疱疹病毒,通过输血、接吻及性接触进行传播。最常累及肺、肾上腺、肝及脾脏。全身性巨细胞病毒感染,包括CMV性肝炎已为多数临床医生认识,但对消化道CMV感染尚未引起重视。由于消化道CMV感染可产生威胁生命的消化道出血和穿孔,及时诊断和治疗可改善预后,因此消化道CMV感染正愈来愈受到重视。本文作简要介绍。 Cytomegalovirus (CMV) is a herpes virus that is transmitted by blood transfusions, kissing and sexual contact. The most commonly involved lung, adrenal, liver and spleen. Systemic cytomegalovirus infections, including CMV hepatitis, have been recognized by most clinicians, but no attention has been given to digestive tract CMV infections. As the digestive tract CMV infection can produce life-threatening gastrointestinal bleeding and perforation, timely diagnosis and treatment can improve the prognosis, so the digestive tract infection is more and more attention. This article gives a brief introduction.