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(A) KUB films at a gestational age of 4 weeks showing a left kidney stone that was approximately 3 cm in diameter. (B) Ultrasonography of the left kidney showing left hydronephrosis and a left kidney stone. (C) Ultrasonography of the bladder showing a normal bladder mucosa and a gestational sac in the uterus.
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Initial evaluation by KUB films revealed a left kidney stone that was approximately 3 cm in diameter (Figure 1A). Ultrasonography of the urinary system showed moderate hydronephrosis of the left kidney along with a left renal pelvic stone that was approximately 3 cm in diameter (Figure 1B). Ultrasonography of the bladder revealed there was a gestational sac in the uterus (Figure 1C).
Endoscopic findings related to the infected kidney stone.
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During the procedure, we used the lowest possible irrigation flow to achieve an acceptable level vision (Figure 2).
Timeline of kidney stone management.
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In total, three sessions of RIRS were required to fully remove the stone; these operations took place while the patient was 18-29 weeks pregnant (Figure 3).
KUB films acquired 4 months after the final surgery.
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Four months after the final surgery, we used KUB films to check that the patient remained stone-free (Figure 4).