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Fig. 4 | Insights into Imaging

Fig. 4

From: Active surveillance of small renal masses

Fig. 4

Indeterminate renal mass by CT in the right kidney. a Axial CT in the arterial phase depicts a renal tumor with 58 HU consistent with the indeterminate lesion (arrow). b Unenhanced and (c) contrast-enhanced ultrasound (US) of the same renal tumor showing the presence of a cyst with thin septa with no contrast uptake corresponding to a Bosniak II lesion (arrow): follow-up was not required

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