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1·ABSTRACT: Objective to investigate the clinical features and outcomes of 18 patients with retroperitoneal fibrosis (RPF).

摘要：目的研究18例腹膜后纤维化(RPF)病例的临床特点和治疗效果。

2·Objective To improve the recognition of idiopathic retroperitoneal fibrosis (IRPF) for avoiding or reducing the misdiagnosis.

目的提高对特发性腹膜后纤维化的认识，避免或减少对该病的误诊。