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Egyptian Journal of Radiology and Nuclear Medicine

Table 1 Summary of the site of the stone and CT signs

From: Restricted diffusion MRI as a functional biomarker for the assessment of acute calcular upper urinary tract obstruction: initial experience

Site of the stone

Non-obstructing renal stone

CT signs

Proximal

Distal

Right

Left

Strands +  + 

Strands −  − 

No strands or hydronephrosis

6

12

2

3

3

4

11

  1. NB: [+ +] = with hydronephrosis], [− −] = without hydronephrosis]
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