111In-antimyosin scintigraphy on acute myocardial infarction] |
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| Authors: | H Naruse M Morita M Itano J Yamamoto N Fukutake H Kawamoto M Ohyanagi T Iwasaki M Fukuchi |
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| Institution: | First Department of Internal Medicine, Hyogo College of Medicine. |
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| Abstract: | Indium-111 antimyosin (InAM) scintigraphy was performed in 17 patients with acute myocardial infarction (on 15 +/- 6 days from the onset). The degree of myocardial uptake was classified into 3 groups. They were ranged from low intensity as in bone marrow to high intensity as in liver. All of 17 cases showed positive myocardial uptake including low intensity. The locations of infarction judged by InAM were in agreement with those by electrocardiography, coronary angiography (CAG), and 99mTc-pyrophosphate scintigraphy (PYP, performed on 5 +/- 2 days from the onset). In 5 cases, the uptake of InAM showed doughnuts or diffuse pattern which was occasionally observed on PYP. These cases showed myocardial uptake of 4th degree of Parkey's classification with doughnuts-like pattern on PYP, and showed involvement of left anterior descending artery on CAG. In some cases, the extent of myocardial uptake on InAM did not agree with those on PYP. |
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