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== | ==Muscle excision== | ||
===Microscopic=== | ===Microscopic=== | ||
A. The sections show normal cardiac myocytes and mild endocardial fibrosis, covered by benign endothelial cells. There is no inflammation and no haphazard arrangement of muscle fibres. | A. The sections show normal cardiac myocytes and mild endocardial fibrosis, covered by benign endothelial cells. There is no inflammation and no haphazard arrangement of muscle fibres. | ||
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===Final diagnosis=== | ===Final diagnosis=== | ||
A. Heart, right ventricle, muscle excision - mild endocardial fibrosis. | A. Heart, right ventricle, muscle excision - mild endocardial fibrosis. | ||
B. Heart, ventricular septum, muscle excision - mild endocardial fibrosis and focal hypertrophic changes. | B. Heart, ventricular septum, muscle excision - mild endocardial fibrosis and focal hypertrophic changes. | ||
C. Infundibulum clot, excision - laminated thrombus with focal calcification. | C. Infundibulum clot, excision - laminated thrombus with focal calcification. | ||
==Septectomy== | |||
===Microscopic=== | |||
The sections show fibrous tissue and cardiac muscle covered by endothelium on two sides. There is mild muscle fibre hypertrophy with focal nuclear enlargement and mild endocardial fibroelastosis. There is no inflammation and no haphazard arrangement of muscle fibres. | |||
===Final diagnosis=== | |||
Heart, atrial septum, septectomy - Mild endocardial fibroelastosis and mild hypertrophic changes. |
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