Nephrol Dial Transplant (1989) 4: 947-950
© 1989 European Renal Association-European Dialysis and Transplant Association
research-article
Proteinuria and Haematuria are Frequently Present in Patients with Lung Cancer
1Departments of Internal Medicine, University Central Hospital Tampere 2Departments of Pulmonary Diseases, University Central Hospital Tampere 3Fourth Department of Surgery, University Central Hospital Helsinki, Finland
Correspondence and offprint requests to: Correspondence and offprint requests to: A. Pasternack, Department of Internal Medicine, Tampere University Central Hospital, SF-35520 Tampere, Finland
The aim of the study was to ascertain whether there is an increased occurrence of proteinuria and/or haematuria among lung cancer patients. As a control group we selected patients with bronchial asthma treated at the same hospital and during the same period as the lung cancer patients.
The study comprised a retrospective part, where observations were made at two hosptials on 166 and 284 lung cancer patients. Proteinuria was observed in 9% and 13% and haematuria in 5% and 9% of these patients. The prevalences were significantly greater than among the asthmatic patients. This result prompted a prospective case-control study involving 150 consecutive patients with lung cancer and asthma, respectively. Twelve patients in the cancer group and one asthmatic patient had a daily urine protein excretion exceeding 100mg (P<0.004); haematuria was noted in 14 and one, respectively (P<0.002). We conclude that the occurrence of proteinuria and haematuria is unexpectedly increased among patients with lung cancer.
Keywords: Asthma; Haematuria; Lung cancer; Proteinuria
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