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Medullary Angiitis in renal biopsy
Teaching Points

Renal Medullary Angiitis

This 56-year-old female presented with acute kidney injury, hematuria, and mild proteinuria. All serologic studies were negative except for antineutrophil…

Medullary Angiitis
Teaching Points

Medullary Angiitis

The attached photomicrographs show the classic histopathology of renal medullary angiitis, a lesion involving the vasa recta of the medulla.…