Society of Diabetic Nephropathy Prevention Journal of Nephropathology 2251-8363 7 4 2018 10 01 Acute kidney injury due to oxalate nephropathy after star fruit ingestion 290 292 10.15171/jnp.2018.57 EN Hugo Abensur Karina dos Santos Falani Roberto Buessio Fabiana Toledo Bueno Dino Martini Filho Maria Regina Teixeira Araújo Joao Egidio Romao Junior Journal Article 10.15171/jnp.2018.57 2018 05 23 2017 09 25 Background: Great quantity of star fruit (Averrhoa carambola) ingestion, or even smaller amounts in a patient with an empty stomach, may induce acute kidney injury (AKI). Case Presentation: We report a 65-year-old male patient with underlying multiple myeloma and normal kidney function, who developed alterations of consciousness and rapid increase in serum creatinine due to oxalate nephropathy after large ingestion of star fruit on an empty stomach. Kidney biopsy revealed the diagnosis of oxalate nephropathy. Conclusions: AKI due to oxalate nephropathy after star fruit ingestion is relatively uncommon (only eight other reported cases) but there is an increasing evidence of AKI associated with intoxication by star fruit. This case alerts health professionals, nephrologists in particular, to a new disease that is increasingly better known and diagnosed more frequently