[Single kidney derived to sigmoid for urinary tuberculosis: remarkable morpho-functional status 51 years after surgery].

Objectives: To report a solitary kidney ureterosigmoidostomy (US) secondary to urinary tuberculosis which we believe has the longest follow-up in the world literature. With this purpose we performed an analysis of the experience with such a urinary diversion published in our country, which maybe has been exaggeratedly excluded during the last decades.

Methods: Male patient who was diagnosed of urinary tuberculosis at the age of 17 in 1950 and underwent left nephrectomy. Due to bladder retraction he underwent cystectomy and urinary diversion to the sigmoid colon following the technique by Coffeyone year later. Follow-up for half a century has demonstrated an excellent outcome with almost no effect on renal function and urinary tract morphology, and very low incidence of infectious complications.

Discussion: We review cases of US with longest follow-up in the literature, finding a remarkable number of cases followed for more than 30 years. It is true they were performed almost exclusively for benign diseases. There is only one published citation in which US was indicated for bladder carcinoma and after 31 years of follow-up patient died from a nonrelated disease at the age of 85. We also review the scarce number of papers published in our country, focusing on the "Ponencia al Congreso Nacional de Urología 1983" which presented a thorough review of "urinary diversions" with the cooperation of 27 Spanish centers.