Renal amyloidosis

Renal amyloidosis is rare as an isolated entity but can be associated with systemic amyloidosis. Renal involvement from amyloidosis in pathological specimens is quite common. However, renal function compromise is rare.

It usually manifests as nephrotic syndrome:

Imaging findings tend to be non-specific and are not always present

Non-specific but may show:

  • enlarged kidneys: characteristic finding in acute stages
  • increased echogenicity
  • prominent medullary pyramids
  • enlarged kidneys
  • heterogeneous contrast enhancement
  • enlarged kidneys 
  • T2: affected areas are hypointense
  • irregular narrowing and tortuosity of interlobar arteries
  • non-visualization of cortical arterial branches
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Article information

rID: 25651
System: Urogenital
Tag: cases
Synonyms or Alternate Spellings:
  • Amyloidosis of kidneys
  • Amylodosis of kidney
  • Amylodosis affecting the kidney
  • Amylodosis affecting the kidneys

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