Plasma levels of interleukin-6 (IL-6), a cytokine known to be involved in lymphocyte activation and in inflammation, were studied in 10 normal volunteers, 21 continuous ambulatory peritoneal dialysis (CAPD) patients and 41 hemodialysis patients. Plasma IL-6 levels in hemodialysis patients were significantly higher than those in normal volunteers and CAPD patients (p < 0.05). The means of plasma IL-6 concentrations before and after hemodialysis did not change significantly. While IL-6 in peritoneal dialysate was detectable in only 3 of the 21 CAPD patients without peritonitis, it was extremely high in 2 patients with bacterial peritonitis. IL-6 levels decreased as peritonitis subsided.
This report describes the histopathology of a disseminated Pneumocystis carinii infection in a 24-year-old Japanese male haemophiliac diagnosed as having the acquired immunodeficiency syndrome. He developed respiratory symptoms, and Pneumocystis carinii pneumonia was confirmed by transbronchial lung biopsy. On the 70th day of hospitalization the patient died. Autopsy findings revealed Pneumocystis carinii not only in the lungs but also in the stomach, jejunum, ileum, colon, mesoappendix, abdominal lymph nodes, diaphragm, and thyroid gland.
The authors describe a patient in whom the serum levels of interleukin-6 (IL-6) and other laboratory parameters were monitored. The IL-6 and C-reactive protein (CRP) levels, which were extremely high before treatment, declined rapidly with administration of prednisolone. Rheumatoid factor, IgG, and platelets count declined more gradually. Thus, determination of the serum IL-6 level might be useful in diagnosing and monitoring polyarteritis nodosa.
Wedescribe a patient with Wegener's granulomatosis in whomthe serum levels of interleukin-6 (IL-6) and other laboratory parameters were monitored. The IL-6 and CRP levels, which were extremely high before treatment, declined rapidly with corticosteroid and cyclophosphamide. IgG, leukocyte count and platelet count declined more gradually. Thus, determination of the serum IL-6 level might be useful in diagnosing and monitoring Wegener's granulomatosis. (Internal Medicine: 32: 189-192, 1993)
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