Technetium-99m Pyrophosphate Uptake in Spontaneously Occurring Perimyocardial Lesions in an Inbred Strain of DBA / 2Mice : THE 6th CONFERENCE ON PREVENTION FOR RHEUMATIC FEVER AND RHEUMATIC HEART DISEASE

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The spontaneous occurrence of perimyocardial calcification localized in the right ventricle has been reported in an inbred strain of DBA/2 mice. In this paper we examined the correlation between the myocardial uptake ratio of technetium-99m pyrophosphate (^<99m>Tc-PYP) and pathological findings in these mice ranging in age from one to 12 months. The ^<99m>Tc-PYP myocardial uptake ratio was highest at 2 months and became lower with age, while calcification and fibrosis in the perimyocardium of the right ventricle became more prominent in aged mice. This may be due to an insidious onset of degeneration with calcification and fibrosis in spontaneously occurring perimyocardial lesions in these mice. Persistent abnormal uptake of ^<99m>Tc-PYP observed in the present study suggests the usefulness of such scintigrams in the diagnosis of chronic perimyocardial disease.
社団法人日本循環器学会の論文
1982-11-20