The Challenges of Distinguishing Different Causes of TMA in a Pregnant Kidney Transplant Recipient

Figure 1

(a) H&E staining of nephron showing one glomerulus with diffuse changes of thrombotic microangiopathy with swollen endothelial cells, included capillary loops, fibrin thrombi, and fragmented erythrocytes. (b) Silver staining of nephron showing marked acute thrombotic microangiopathy with strong fibrin staining in the affected glomerulus. There was light mesangial C3c, C1q, and C4d staining only.

(a)

(b)