label: Renal interstitial immunoglobulin deposits
label_lc: renal interstitial immunoglobulin deposits
description: "Accumulation of an immunoglobulin in the interstitial tissue of the kidney. The immunoglobulin may be a monoclonal Ig or the corresponding heavy-chain (HC) or light-chain (LC) subunit. By convention this definition excludes Ig-derived amyloidosis (amyloidosis can be distinguished by its affinity for Congo red staining)."