Bilateral renal enlargement
Bilateral renal enlargement can arise from a number of causes which include 1,2:
Smooth enlargement
- diabetic nephropathy (common)
- acute pyelonephritis
- renal involvement with lymphoma
- acute interstitial nephritis
- acute glomerulonephritis
- acute urate nephropathy
- vasculitis/autoimmune
- HIV nephropathy
- leukemia
- autosomal recessive polycystic kidneys (ARPKD)
- sickle cell disease
- thalassemia
- acromegaly
- amyloidosis
- multiple myeloma
Enlargement by cysts/masses
- adult dominant polycystic kidney disease (ADPKD)
- acquired renal cystic disease
- lymphoma
- von-Hippel-Lindau disease
- nephroblastomatosis
- Wilms tumor
- tuberous sclerosis
- bilateral renal cell carcinoma
- multiple oncocytoma
- metastasis