Fig. 1From: The unresolved problem of beta-2 microglobulin amyloid deposits in the intervertebral discs of long-term dialysis patientsRepresentative histological images of intervertebral disc sections from non-dialysis (0) and dialysis patients (1–3). a Congo red staining under normal light and amyloid deposition indicated in dark red. b Congo red staining under polarized light and amyloid deposition indicated in apple green. c IHC staining and β2M expression indicated in dark brown. Magnification: ×40Back to article page