Renal Cysts More Common in Gout Patients

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Gout patients have an increased prevalence of simple renal cysts, and these cysts are associated with a decreased likelihood of kidney stone disease, according to Brazilian investigators.

Eduardo Massato Hasegawa, MD, and colleagues at the Faculdade de Medicina da Universidade de São Paulo, compared 146 gout sufferers with 47 gender- and age-matched healthy kidney donor (controls). The prevalence of simple renal cysts was 26% in the gout patients compared with only 10.6% in the control arm, the researchers reported online ahead of print in Rheumatology International. Significantly more gout patients than controls had renal stones (20.5% vs. 6.3%), but among the gout patients, renal stones were significantly less likely to found in subjects with renal cysts than in those without them (5.2% vs. 25.9%).

The presence of simple renal cysts in gout patients was not associated with age, male gender, hypertension, or renal impairment.

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