Interstitial Nephritis in a Patient with Inflammatory Bowel Disease

Figure 1

Light microscopic examination of the kidney biopsy showing severe cortical interstitial fibrosis and tubular atrophy, acute interstitial nephritis with prominent mononuclear cellular infiltrate, and multifocal tubulitis ((a) H&E 4x, 10x; (b) Masson Trichrome 4x, 10x).

(a)

(b)