This is a cohort study to investigate the disease course and treatment response of patients with idiopathic retroperitoneal fibrosis(IRPF). Methods: All the patients fulfilling diagnostic criteria of IRPF would be enrolled around China. A online database system will been established. Endpoints: The primary endpoint is to investigate the clinical manifestations of Chinese IRPF patients; the secondary endpoints including the demographic features,laboratory characteristics, immunological tests, imaging and pathological features, in addition, the treatment and prognosis of the disease.
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Organ involvements of Chinese IRPF patients
Timeframe: 5 years