Table 1.
The diagosis of TINU syndrome requires the presence of both AIN and uveitis without other known systemic disease that cause either interstitial nephritis or uveitis |
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Definite TINU syndrome: |
AIN diagnosed histopathologically or clinically |
(complete criteria*) and typical uveitis |
Probable TINU syndrome: |
AIN diagnosed histopathologically and atypical uveitis |
or |
AIN diagnosed clinically (incomplete criteria) and typical uveitis |
Possible TINU syndrome: |
AIN diagnosed clinically (incomplete criteria) and atypical uveitis |
The three clinical criteria required to make a clinical diagnosis of AIN are: (1) Abnormal renal function, (2) Abnormal urinalysis and, (3) A systemic illness lasting two weeks or more