A pyelogram is not helpful in the diagnosis of<unk><unk>  and may worsen the renal injury due to contrast utilization.
Analgesic nephropathy x-ray
Analgesic nephropathy CT
Analgesic nephropathy CT scan
Renal papillary necrosis MRI
Chronic renal failure x ray
Renal papillary necrosis CT
Renal papillary necrosis physical examination
Renal artery stenosis x ray