Humoral Acute Rejection in a Kidney Transplant Recipient with Idiopathic Thrombocytopenic Purpura

Figure 1

Graft biopsy: (a) microthrombosis in peritubular capillary. (b) Interstitial arteriole with a thrombus and endothelial edema. (c) Thrombosis in glomerular capillaries with retraction of glomerulus and pseudoincrease of urinary space. (d) Peritubular capillaritis due polymorphonuclear leukocytes. (H&E and magnification ×40). (e) C4d negative in peritubular capillaries (40x).

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