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作者回顾性分析了142例经手术和病理证实的原发性肝癌的CT表现,发现肝癌CT“密度更低区”的特征是:在低密度的癌灶内应有多数性的“密度更低区”;“密度更低区”可发生在肿瘤的中心和(或)边缘,其形态可以是多斑点状(主要见于结节型肝癌),也可以是片状并多斑点状或多条状(多见于巨块型肝癌).认为以上肝癌CT“密度更低区”的特征是肝癌与肝海绵状血管瘤和肝转移瘤进行CT鉴别诊断的重要依据。
The authors retrospectively analyzed the CT appearances of 142 cases of primary liver cancer confirmed by surgery and pathology. It was found that the characteristics of the “lower density area” of liver cancer CT were: there should be a majority of lower density areas in low-density lesions. “The lower density area” can occur at the center and/or the periphery of the tumor. The morphology can be spotty (mainly seen in nodular liver cancer), and it can be patchy and spotty or multiple. More common in massive liver cancer). The above characteristics of liver cancer CT “lower density area” is an important basis for differential diagnosis of liver cancer with hepatic cavernous hemangioma and hepatic metastases.