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Histopathological changes of myocytes in restrictive cardiomyopathy

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Abstract

Restrictive cardiomyopathy (RCM) is a rare primary myocardial disease, and its pathological features are yet to be determined. Restrictive cardiomyopathy with MHY7 mutation was diagnosed in a 65-year-old Japanese woman. Electron microscopy of a myocardial biopsy revealed electron-dense materials resulting from focal myocyte degeneration and necrosis as well as tubular structures and pseudo-inclusion bodies in some nuclei. These features may be associated with the pathogenesis of RCM.

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Abbreviations

RCM:

Restrictive cardiomyopathy

HCM:

Hypertrophic cardiomyopathy

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Acknowledgements

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Funding

This work was supported by the Japan Society for the Promotion of Science, Grant-in-Aid for Scientific Research, Grant Number 17K09512.

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Correspondence to Hiroaki Kawano.

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Kawano, H., Kawamura, K., Kanda, M. et al. Histopathological changes of myocytes in restrictive cardiomyopathy. Med Mol Morphol 54, 289–295 (2021). https://doi.org/10.1007/s00795-021-00293-7

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