Question 504 · LEK · Nephrotic and nephritic syndromes

In a 82-year-old female with history of rheumatoid arthritis diagnosed at the age of 20 years, severe peripheral pitting oedema appeared. Due to proteinuria found in a spot urine sample, 24-hour urine collection was ordered, which revealed proteinuria of 32 grams per day. In this situation you should suspect:

  1. A. IgA nephropathy.
  2. B. amyloidosis.
  3. C. acute tubulointerstitial nephritis.
  4. D. minimal change disease.
  5. E. lupus nephropathy.
Hint

Decades of chronic inflammation can lead to kidney deposits of a protein derived from an acute-phase reactant.

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