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Figure 1


Fig. 1A —46-year-old man with hypertrophied columns (septa) of Bertin. (Reprinted with permission from Paspulati RM, Bhatt S. Sonography in benign and malignant renal masses. Ultrasound Clinics 2006; 1:25-41 [2]) Longitudinal gray-scale sonogram of left kidney shows large hypertrophied columns of Bertin (arrows) located in middle third of kidney. It is continuous with normal renal cortex, and smooth renal surface overlies this pseudotumor.