Gamuts

Focal defect in nephrogram

May Be Caused by
 Common
Acute pyelonephritis
Arterial branch occlusion
Autosomal dominant polycystic kidney disease
Cyst
Infarction
Renal cell carcinoma
Renal contusion
Renal laceration
Renal sinus lipomatosis
Sarcoma
Transitional cell carcinoma
Trauma
Wilms tumor
 Uncommon
Abscess
Angiomyolipoma
Arteriovenous malformation
Intrarenal hematoma
Localized hydronephrosis
Lymphoma
Medullary cystic kidney disease
Metastasis
Renal artery aneurysm
Tuberculosis
Xanthogranulomatous pyelonephritis

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