Case Report

Monoclonal Gammopathy of Renal Significance with Deposits of Peculiar Morphology and Injuries of Secondary Thrombotic Microangiopathy: A Case Report and Review of the Literature

Figure 2

Direct immunofluorescence on fresh frozen tissue was performed; no evidence of deposits was observed (a) (IgG, 400x). Direct immunofluorescence on paraffin-embedded, pronase-digested sections was carried out; in contrast to routine IF, there were deposits of IgG and kappa light chains in the capillary walls (b) (kappa, 400x).
(a)
(b)