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本文通过４３例ＣＴ漏诊肝占位性病变分析，笔者从以下几方面探讨其漏诊原因：客观上：１．小病灶易漏诊，本组中２ｃｍ以下者占４５．３％；２．分型上以小癌型和融合结节型居多，合计约８１．４％；主观上：１．对肝癌不典型表现的认识不足；２．技术上：如扫描野不全，窗位选择不当，扫描过早或过晚等均可导致漏诊。笔者认为，客观因素因受设备条件限制，难以迅速改善；而提高对不典型现象的辨识能力，科学操作现有设备，对减少漏诊意义更大；本文还探讨了现有ＣＴ技术对肝占位诊断的局限性。
This article through 43 cases of CT missed diagnosis of liver-occupying lesions, the author discusses the reasons for the missed diagnosis from the following aspects: Objectively: 1. The small lesions were easily missed, and 45.3% of those in this group were less than 2cm. On the subtyping type, mostly small-cancer type and fusion nodular type, totaling about 81.4%; subjective: 1. Insufficient understanding of atypical manifestations of liver cancer; 2. Technically: If the scanning is incomplete, improper window selection, scanning too early or too late can lead to missed diagnosis. The author believes that the objective factors are difficult to improve quickly because of the restriction of equipment. To improve the ability to recognize atypical phenomena and scientifically operate existing equipment, it is more meaningful to reduce missed diagnosis. This article also discusses the existing CT technology for liver occupying position. The limitations of diagnosis.