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Fig. 1 | BMC Urology

Fig. 1

From: Non-contrast CT attenuation value of renal papilla is a novel predictor of recurrence in kidney stone disease

Fig. 1

Measurement of renal Hounsfield unit values. (a) The Hounsfield unit of the renal papilla was measured by placing regions of interest (circle) with a mean size 0.2 cm2 in the region of renal papillae from the upper pole, middle region and lower pole in both kidneys. (b) The region of interest was not placed on small calcified lesions or calyceal stones (arrow)

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BMC Urology

ISSN: 1471-2490

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