
1. HIV Nephropathy.
2. multiple myeloma.
3. the early stages of diabetic nephropathy.
4. any type of infiltrative process–classically amyloidosis or sarcoidosis of the kidney.
5. autosomal dominant polycystic kidney disease.
6. pyelonephritis.
7. any type of very acute nephritis (e.g., RPGN).
Hi, I’m a nephrology fellow from Brazil! just want to add another cause: Scleroderma! byebye