Incidence of inflammatory bowel diseases is rising worldwide, especially within the pediatric population. Except for bowel involvement, other organs may be affected in patients with inflammatory bowel disease.
Extraintestinal manifestations usually involve joints, skin, bile ducts and eyes. However, another organ system which can be affected is the urinary tract, especially kidneys.
The most common renal manifestations of inflammatory bowel diseases are nephrolithiasis and renal parenchymal diseases, such as interstitial nephritis, glomerulonephritis and amyloidosis. In this review, we focus on the spectrum of kidney involvement related to inflammatory bowel diseases.