All of the following are Causes of ATN except -

Ref:Harrison 20th edition pg no. 2101,2099. Causes of intrinsic renal failure (ATN) SMALL VESSELS Glomerulonephritis, vasculitis TTP/HUS,DIC malignant HTN, sepsis Calcineurin inhibitors Atheroemboli Tubules Toxic ATN-endogenous(rhabdomylolysis,hemolysis)-exogenous (contrast ,cisplatin, gentamicin) Ischemic ATN sepsis intratubular Endogenous (myeloma proteins, uric acid, cellular debris) exogenous -acyclovir, methotrexate large vessels Renal aery embolus, dissection, vasculitis, renal vein thrombosis, abdominal compament syndrome Interstitium allergic (ppi s, NSAIDS, rifampicin. ..) Infection(severe pyelonephritis, legionella, sepsis Infiltration (leukemia ,lymphoma) Inflammatory(sjogrens,tubulointerstitial nephritis. In abruptio placenta, DIC is seen. Ref Harrison20th edition pg 234