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Rheumatic myocarditis

Rheumatic myocarditis

Rheumatic myocarditis

Rheumatic myocarditis

 

 

  • Pathognomonic for myocarditis in rheumatism are Aschoff granulomas .
  • Their typical localization is around the blood vessels in myocardium.
  • The centre of granuloma is intensive pink and structurless because of fibrinoid necrosis.
  • Around the area of necrosis proliferate Т-lymphocytes, plasma cells, fibroblasts, spindle giant mononuclear cells of Anichkov ( with chromatine ,pleated like ‘caterpillar’) and multinuclear giant Aschoff cells.
  • Granulomas end with perivascular scarring (cicatrices), which have spindle shape.

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