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題 名 | Hepatic Tumor in Fatty Liver: Diagnostic Difficulty in Ultrasonography=脂肪肝中肝腫瘤本質之判斷:特別強調超音波掃瞄術之困難 |
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作 者 | 王嘉齊; 黃冠棠; 楊培銘; 陳健弘; 許金川; 陳定信; | 書刊名 | Journal of Medical Ultrasound |
卷 期 | 5:4 1997.12[民86.12] |
頁 次 | 頁124-128 |
分類號 | 415.536 |
關鍵詞 | 脂肪肝; 肝腫瘤; 超音波掃瞄術; Hepatic tumor; Fatty liver; Ultrasonography; |
語 文 | 英文(English) |
英文摘要 | Background:It is difficult to determine the nature of tumor masses in fatty liver when examined with ultrasonography. This study aimed to establish guidelines and to clarify the value of specific ultrasonographic signs in the differential diagnosis of hepatic tumor in fatty liver. Materials and Methods: A total of 74 patients with hepatic tumors in fatty liver were included. There were 47 men and 27 women of age range 31 to 76 years. The ultrasound scanners used were Toshiba SSA-100A, Toshiba SSA-90A, Toshiba SSA-240 and Aloka 630. The clinical characteristics of the patients and the ultrasonographic findings were analyzed. Results: The frequency of hepatocellular carcinoma was significantly higher in patients with risk factors for hepatocellular carcinoma than in patients without (32% vs 6.5%. p<0.01). The prevalence of metastatic liver cancers is 50% in patients with a history of previous malignancy. When multiple hepatic lesions were detected, 58% of them were malignant tumors, If a target sign was present, all the tumors were malignant. Conclusion: The possibility of malignancy is higher for hepatic tumors in fatty liver when a target sign or multiple lesions are present and the patient has a history of previous malignancy. The incidence of hepatocellular carcionoma is increased if the patient has risk factors for hepatocellular carcinoma. Therefore, it is suggested that additional diagnostic modalities be arranged to achieve a definitive diagnosis. |
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