Objective: This case demonstrates the difficulty of diagnostics of oxalate nephropathy and possibility of development of acute kidney injury.

Summary: The paper describes a patient with oxalate nephropathy and acute kidney injury. Specific features of oxalate diathesis are discussed as well as approaches to its diagnosis. Clinical peculiarities and diagnostic difficulties are described.

Conclusions: Early diagnosis of oxalate nephropathy and treatment permits to improve prognosis.

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