A reappraisal of sonolucent renal masses.


The authors present a differential diagnosis of echo-free renal masses and emphasize that such lesions are not always simple cysts. Of 312 renal sonograms, 15 showed sonolucent masses which proved to be something other than a simple cyst. Pathological diagnoses included abscess, hematoma, renal artery aneurysm, hydronephrosis, and homogeneous or cystic… (More)


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