A Study of Liver Scan using $^{113m}In$ Colloid
1969
There have been reported numberous cases of liver scanning in use of colloid by many investigators, however, one in use of colloid has not been reported as yet in this country. The dose of for high diagnostic value in examination of each organ was determined and the dignostic interpretability of liver scanning with the use of was carefully evaluated in comparison with the results of the liver scanning by the conventionally applied radioisotopes. The comparative study of both figures of liver scannings with the use of colloid and colloid delivered following results: 1. The liver uptake rate and clearance into peripheral blood were accentuated more in case of colloid than in case of colloid. 2. The interpretability of space occupying lesion in liver scanning with was also superior to one with . 3. The figure of liver scanning with colloid corresponds not always to the figure with . This difference can be explained by differences of phagocytic ability of reticuloendotherial system within liver. 4. In the liver scanning with colloid, the spleen is also visualized even in normal examinee. 5. In the cases of disturbed liver function, uptake is more decreased in use of colloid than in , in the spleen, however, the way is contrary. 6. With use of colloid, the time required for scanning could be shortened in comparison with . 7. The filtration of colloid for scanning prior to human administration gives an expectation for better scanning figure.
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