Tubulointerstitial nephritis and uveitis syndrome (TINU): a step forward to understanding an elusive oculorenal syndrome

In this issue of NDT, Sartelet et al. 1] provide an interestingstudy on Tubulointerstitial Nephritis and Uveitis syndrome (TINU),an oculorenal syndrome the pathophysiology of which is stillpoorly understood. TINU is a rare disease, first described in 1975 by Dobrin 2]in two adolescent girls, in whom non-caseating granulomas werefound in the bone marrow and in the lymph nodes, in associationwith anterior uveitis and tubulointerstitial nephritis. Sincethen, more than 200 cases have been reported in the ophthalmologicand paediatric literature,