1.A Follow-Up Study of Malignancies Detected by Sonographic Survey.
Mitsuhiro FURUSAWA ; Kiichi NISHIMOTO ; Yasutaka MATSUMOTO ; Hiroyuki MORISHITA ; Satoshi INOKUCHI ; Sukeyoshi UENO ; Ryuichi NISHIMURA ; Shoji MORISHITA ; Shunji YOSHIMATSU ; Mutsumasa TAKABASHI
Journal of the Japanese Association of Rural Medicine 1994;43(4):976-980
From 1986 to 1991, 49 malignancies were found in sonographic examination of 53, 788 subjects carried out by the Kumamoto Prefectual Welfare Federation of Agricultural Cooperatives. The cases were composed of 12 hepatocellular carcinomas, 11 metastatic liver tumors, 11 renal cell carcinomas, 6 gall bladder carcinomas, 3 gastric carcinomas and 6 ether malignancies including metastatic pancreas tumors and ovarian tumors. A follow-up survey was made in 37 cases. All the case of renal cell carcinoma were found in an early stage and showed the best prognosis; the 2-year survival rate was 100%(n=7). In hepatocellular carcinomas 1-year and 2-year survival rates were 85% and 33%, respectively. Eight of 11 metastatic liver tumors were f rom gastrointestinal malignancies, and prognosis was poor; 1-and 2-year survival rates were 44% and 37%, respectively. Gastric carcinomas were found with lymphadenopathy or the thickening of the gastric wall, so prognosis was quite poor. Abdominal sonography has proved to be a very convenient and safe procedure to find out malignancies in the early stage. In detected (asymptomatic) cases of renal cell carcinoma, prognosis was excellent.
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