Fig. 4From: Light and heavy chain deposition disease with focal amyloid deposition diagnosed with mass spectrometry: a case reportCongo red and immunohistochemical staining. Glomeruli are a faintly Congo red-positive (× 100) and b have faint birefringence under polarised light (× 100). Immunohistochemical staining showed kappa positive, c kappa (× 50), d lambda (× 50)Back to article page