Electron Probe X-ray Microanalyser による尿路結石内無機元素の分布に関する研究 : 第3報 EDTA による尿路結石の溶解

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In the previous two papers the distribution of inorganic ions in calcium oxalate stone, calcium phosphate stone and uric acid stone examined by the electron probe X-ray microanalyser (E.P.M.A.) was reported. In this study the process of dissolution of calcium phosphate stone and calcium oxalate stone with E.D.T.A.. 4Na solution was observed by E.P.M.A. The results obtained are as follows: Thin slices of the urinary calcium stones were easily dissolved by E.D.T.A.. 4Na solution. Ca and Mg disappeared quickly but Na and K remained in the matrix substance. This result shows that calcium stones can easily be dissolved by E.D.T.A. solution when it is broken into small pieces by some procedure, and that after decalcification with these chelating agents, application of proteolytic material is recommendable for protection from re-calcification.
社団法人日本泌尿器科学会の論文
1979-11-20