[Ormond's disease in 17-year-old girl: a case study].

Ormond's disease (RPF) is chronic inflammatory process characterized by intensive fibrosis and inflammatory cells infiltration in retroperitoneal space. RPF in most cases possess idiopathic origin and is rare in children. The histopathologic verification is needed for establishing a proper diagnosis of disease. In this study a case of RPF in 17-year-old girl was reported which caused many diagnostical and therapeutical difficulties. In our patient streptococcal tonsillitis was recognized as a primary cause of disease.