Synonyms

Papillary necrosis

Subtypes

Late papillary necrosis

May Cause

Clubbing or destruction of renal calyces

Decreased size of part of a kidney

Dense nephrogram

Depression in renal margin

Focal calcification in kidney

Focal renal parenchymal scar

Hydronephrosis

Hyperechoic renal cortex

Intrarenal contrast collection

Medullary nephrocalcinosis

Renal tubular blockage

Sloughed papilla

Small kidney

Unilateral small kidney

Urinary tract calculus

May Be Caused by

 Common

Analgesic abuse

Diabetes mellitus

Obstruction of urinary tract

Pyelonephritis

Sickle cell disease

 Uncommon

Asphyxia

Cirrhosis

Contrast reaction

Dehydration

Necrotizing arteritis

Polyarteritis nodosa

Renal abscess

Renal arteritis

Renal artery thromboembolism

Renal vein thrombosis

Sepsis

Shock

Tuberculosis