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[Diagnosis of tuberculosis of bladder].

A comparative analysis of cystoscopic and pathologic patterns in 190 patients hospitalized for differential diagnosis or treatment of genitourinary tuberculosis in 2008-2011 was performed. All patients underwent polyfocal biopsy followed by pathologic examination of biopsy specimens. Furthermore, a comparison of results ofpathomorphological studies of tissue obtained by biopsy and after cystectomy was conducted. Cystoscopy in all patients with tuberculosis of the bladder (TB) revealed the reduced bladder capacity in contrast to patients with other urological diseases. Deformation of orifices, trabecularity and contact bleeding were observed in 66.7 to 94.4% of cases in patients with TB, which were significantly more common than in other diseases. Polymorphism of pathological pattern and the lack of specific changes in the majority of patients with TB were noted; multinucleated Pirogov-Langhans cells were found only in 11.8% of cases, and only in biopsies, whereas in the tissues obtained after cystectomy in same patients, lymphocytic infiltration and fibrosis were observed. The algorithm of diagnosis of tuberculosis of the bladder is suggested.