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 1

All the glomeruli displayed membranoproliferative features, with increased cellularity and a lobular pattern (a) (H-E, 400x). A single arteriole showed a luminal thrombus, composed of fibrin and platelets, together with blood extravasation and karyorrhectic debris (b) (H-E, 400x). CD61 immunostaining was performed (400x), which demonstrated platelet content (c).

(a)

(b)

(c)