CVID Associated with Systemic Amyloidosis

Figure 2

Immunohistochemical reactivity of deposited material with anti-amyloid A protein, note staining of glomeruli and vascular walls (a). Negative staining of deposited material (consistent with amyloid) silver stain (b). Focal mesangial widening due to deposition of amorphous acellular eosinophilic material consistent with amyloid. Note deposition of amyloid along the hilar arterioles (c).

(a)

(b)

(c)