慢性活动性肝炎(Chronic active hep-atitis)简称慢活肝(CAH),又称慢性侵袭型肝炎(Chronic aggressive hepatitis)或门管区周围性肝炎(Periportal hepatitis)。慢活肝具有潜在性进展的特点,往往发展为肝硬化,是肝炎中的一种预后较差的临床类型,对健康的威胁和劳动力影响很大。近几年来,国外对慢活肝进行了不少研究,本文仅就与临床有关的一些问题扼要综述如下:一、慢活肝的基本概念:慢活肝迄今尚缺乏确切定义。有人认为,慢活肝是一种由不同病因和具有不同组织学特征的慢性炎症和纤维化的肝脏损害,病理特征是碎屑样坏死伴有新的纤维组织形成,以及门管区和肝小叶的淋巴细胞浸 Chronic active hepatitis (Chronic active hep-atitis) referred to as slow living liver (CAH), also known as chronic hepatitis (Chronic aggressive hepatitis) or periportal hepatitis. Slow-living liver has the potential to progress characteristics, often developing into cirrhosis, is a poor prognosis of hepatitis clinical type, a great threat to health and labor force. In recent years, many foreign countries slow to live on a lot of liver research, this article only a brief summary of some of the issues related to clinical summary: First, the basic concept of slow living liver: Slow living liver so far the lack of a definitive definition. It is believed that slow-living liver is a chronic inflammatory and fibrotic liver injury of different etiologies and with different histological features characterized by debris-like necrosis with new fibrous tissue formation, and portal area and hepatic lobule Infiltration of lymphocytes