CT shows submucosal linear calcification of the<unk>  pelvis and the ureter, filling defects  and strictures.
Renal amyloidosis CT
Renal amyloidosis MRI
Renal papillary necrosis MRI
Renal papillary necrosis CT
Analgesic nephropathy CT
Analgesic nephropathy x-ray
Membranous glomerulonephritis MRI
Analgesic nephropathy CT scan