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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 5 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 5

From: Importance of the hounsfield unit value measured by computed tomography in the differentiation of hydronephrosis and pyonephrosis

Fig. 5

a Axial CT scan showing swollen right kidney showing markedly dilated right pelvicalyceal system with marked smudging of perinephric fat planes. Mean HU within the dilated pelvicalyceal system = 18.8 indicating the diagnosis of pyonephrosis. b Axial CT scan of the same patient showing right large renal stones and marked smudging of the perinephric fat planes

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