Imaging and Management of Incidental Renal Lesions

Figure 5

Pseudotumor versus true solid renal lesion. Gray scale US (a, b) and contrast-enhanced CT (c, d). Renal incidentalomas in two different patients with similar echogenicity pattern (a, b). Contrast-enhanced CT reveals a hypertrophied column of Bertin in the first case (black asterisk in (c)) and a solid hypovascular mass in the second case (white asterisk in (d)).

(a)

(b)

(c)

(d)