Fig. 3.From: Coincidental light chain induced proximal tubulopathy with lupus nephritis: a case report and review of the literatureAmyloidal cast and deposits. A (Congo red ×200): Single orangeophilic cast seen giving apple-green birefringence under polarized light. B (Congo red ×200): An interlobular sized artery showing amyloidal deposits, as well as the adjacent interstitiumBack to article page