the investigations led to the discovery , at the level of the kidneys , of arterial aneurysms , renal infarction and diffuse endo-capillary proliferative glomerulonephritis , with deposits of complement and immunoglobulin and finally , interstitial nephritis , perhaps of metastatic origin , which was probably the lesion responsible for the renal failure .
C0022646
kidneys
C0027707
interstitial nephritis