[Kluyvera cryocrescens: a positive urine culture in a young girl with persistent proteinuria]. / Kluyvera cryocrescens: urocultivo positivo en una niña con proteinuria ligera persistente.

Kluyvera genus usually shows two kinds of species: K. ascorbata and K. cryocrescens, DNA hybridization let us to differentiate a third group: Kluyvera species 3. Its diagnosis is quite uncommon and its taxonomy have been recently clarified. We report here a ten years female record with a chronic proteinuria and a positive urine-culture for K. cryocrescens. Axetil cefuroxime treatment was absolutely succesful. Kluyvera infections are difficult on the whole to joint with some specific clinical features.