Reply: Can Delayed Cortical Transit Identify Those Kidneys Whose Function Is at Risk?

REPLY: We are thankful for Dr. Piepsz's thoughtful critique. The report presents the first data that show that a parenchymal 99mTc-mercaptoacetyltriglycine (MAG3) transit disturbance, that is, delayed tissue tracer transit (TTT), is accompanied by functional decline and by reorganization of renal