case_images: PMC5969513_01
case_images: Initial KUB with a right iliac crest calcification (arrow) and a left lower pole calcification. KUB = kidney, ureter, and bladder radiograph.
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case_images: The initial abdominal plain X-ray (kidney, ureter, and bladder radiograph [KUB]) showed a left lower pole calcification and a 1.5 cm calcification on the iliac crest (Fig. 1).
case_images: Initial coronal noncontrast CT scan image showing a 1.8 cm midureteral stone, right hydroureteronephrosis proximal to the stone, and thin right renal cortex.
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case_images: A noncontrast CT of the abdomen and pelvis revealed a 1.8 cm right midureteral stone (1288 HU) with proximal hydroureteronephrosis, a thin right renal cortex, two right lower pole stones 5 mm each (Fig. 2).
case_images: Initial sagittal noncontrast CT scan image showing an appendiceal mucocele compressing the right ureter below the midureteral stone.
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case_images: This was thought to be an appendiceal mucocele compressing the right mid ureter below the midureteral stone (Fig. 3).
case_images: Coronal noncontrast CT scan image postendoscopic removal of the impacted right midureteral stone demonstrating residual chronic right hydroureteronephrosis and a left lower pole caliceal stone.
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case_images: Six weeks later, a triphasic CT scan showed stone-free status on the right side with residual mild right hydroureteronephrosis and a left lower pole caliceal stone (Fig. 4).