PMC6338816_01
Axial CT scan showing the stone in the renal pelvis with beam-hardening artifacts.
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A computed tomography (CT) scan showed the presence of a pelvic stone of the dimensions of approx. 3.5 by 2.5 cm with beam-hardening artifacts (Figure 1).
Endoscopic view of coils located inside the stone.
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Inside the stone, several embolization coils were revealed (Figure 2).
The tangle of metallic threads and stone fragments in the hand of the surgeon.
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The tangle of metallic threads is shown in Figure 3.