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[Liver changes in acute rheumatic fever].

Following the course of disease in a 19 year old patient with acute rheumatic fever we report the reaction of the liver parenchyma: on histological examination besides a marked steatosis several "unspecific" granulomas were seen. Nutritional and toxic factors were excluded aetiologically. Difficulties in diagnosis and differential diagnosis of acute mono/poly-arthritis as a leading symptom are discussed.