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Rheumatic arthritis (section through knee joint capsule)

(A) Zone of swollen connective tissue. (B) Zone of cellular exudation. (C) Zone of necrosis and plastic exudation. (D) Muscle fibers. (Source: Poynton FJ. Clinical lectures on rheumatic fever. III. The parallelism between the clinical symptoms and the pathological lesions of rheumatic fever. Int Clin 1904;4[13th series]:95-111.)

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  • Arthritis
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  • Carditis
  • Chorea gravidarum
  • Obsessive-compulsive behavior
  • Rheumatic fever
  • Streptococcal pharyngitis