Abstract

Prominent column of Bertin (PCB), also known as hypertrophic column of Bertin, are often referred to as pseudo tumors, given that they can mimic the appearance of renal tumors. This case series demonstrates a reverse situation where renal masses mimicked PCB. Two patient cases are presented to demonstrate how renal masses mimicked PCB, and a third comparative case is presented to demonstrate a split sinus sign that represents a PCB, a pseudo tumor confirmed with a computed tomogram (CT). Considering the renal masses mimicking PCB, CT, and histology confirmed the presence of renal cell carcinoma. Renal masses which present sonographically as PCB, are most likely to be overlooked and have negative impacts when undetected. Early detection of renal tumors is vital in improving a patient’s prognosis. This case series is useful in providing further evidence of how renal masses can mimic PCB, with sonography. Careful sonographic examination of PCB should be encouraged, and if sonographic features are uncertain, consider further evaluation by urology, especially for those patients with a background of hematuria and no previous imaging studies.

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