Idiopathic right ventricular dilation. Special reference to "arrhythmogenic right ventricular dysplasia" and analogous lesions.
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| Abstract |
Two autopsy cases which showed marked depletion of the right ventricular musculature of the heart accompanied with marked infiltration of the adipose tissue were reported. The first cases was an 18-year-old female who died of right sided congestive heart failure after about 4-years clinical course. The autopsy disclosed marked dilation of the right atrium and ventricle. The entire free wall of the right ventricle was markedly thin. Microscopically, most of the myocardial fibers of the right ventricle were replaced by fat and fibrous tissue. The second case, a 15-year-old boy, whose identical twin was previously diagnosed as arrhythmogenic right ventricular dysplasia designated by Fontaine et al., died suddenly during exercise. He showed no cardiac symptoms but electrocardiogram was abnormal. Autopsy revealed majority of the myocardial fibers of the right ventricular free wall were replaced by fatty tissue. In both cases, fatty infiltration was mainly noticed at the epicardial side and some myocardial fibers remained in the fatty tissue showed hypertrophic and/or degenerative changes. Review of the literature on similar cases showing depletion of the right ventricular musculature including so-called adult's Uhl anomaly, ARVD and dilated right ventricular myocardiopathy was conducted and the relationship of the present cases with these lesions was discussed.
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| Authors | O Kawamura, Y Ohaki, Y Nakatani, K Misugi, H Yoshimura, H Kobayashi, S Haraguchi, I Niimura |
| Journal | Acta pathologica japonica (Acta Pathol Jpn) Vol. 36 Issue 11 Pg. 1693-705 (Nov 1986) ISSN: 0001-6632 [Print] Australia |
| PMID | 2949485 (Publication Type: Case Reports, Journal Article) |
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