BACKGROUND
Tiopronin, a glycine derivative extensively used to treat cystinuria and hepatic cell injury, can give rise to rare complications such as proteinuria and nephrotic syndrome. However, the pathological characteristics of this secondary nephropathy are poorly understood. Here, we report a
Tiopronin (TP), a glycine derivative with a free thiol, is extensively used for the treatment of cystinuria. Moreover, TP is usually prescribed as hepatoprotective medicine in China. In the present case, a 36-year-old female who presented with foamy urine and general edema was admitted to the