R. LEINO, M.D.; J. L. KALLIOMÄKI, M.D.
In 1971-1973, 60 patients were hospitalized for an infectious disease caused by Yersinia enterocolitica serotypes III and IX or Yersinia pseudotuberculosis serotype I. At that time 65 patients with similar symptoms were treated as outpatients. Diagnosis was mainly based on elevated antibody titers against these microorganisms. Forty-three cases of infection were caused by Y. enterocolitica III, 13 by Y. enterocolitica IX and 4 by Y. pseudotuberculosis I. Fever, diarrhea, abdominal pains, erythema nodosum, and arthritis were the most prominent symptoms. One patient was first operated on for suspected acute appendicitis; another developed a severe, ulcerative, colitistype disease. Four patients showed electrocardiographic signs of myocarditis, but no murmurs could be heard. Hematuria and proteinuria were detected in one patient; needle biopsy of the kidney showed glomerulonephritic changes. One patient with yersiniosis had mild hepatitis. The data suggest that some patients previously diagnosed with rheumatic fever actually had yersiniosis.
R. LEINO, J. L. KALLIOMÄKI. Yersiniosis as an Internal Disease. Ann Intern Med. 1974;81:458–461. doi: 10.7326/0003-4819-81-4-458
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Published: Ann Intern Med. 1974;81(4):458-461.
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