Gamuts

Sonographically ill-defined renal parenchymal mass

May Be Caused by
 Common
Acute pyelonephritis
Focal compensatory hypertrophy of kidney
Hypertrophied coumn of Bertin
Renal cell carcinoma
 Uncommon
Early tuberculosis
Hematoma
Hemorrhage
Leukemia
Lymphoma
Metastasis
Oncocytoma
Renal contusion
Renal vein thrombosis
Transitional cell carcinoma