Childhood Kidney Diseases

Korean Society of Pediatric Nephrology (대한소아신장학회)
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Calcified Macroplastique Substance: A Rare Cause of Recurrent Gross Hematuria after Endoscopic Injection

  • Seo, Min Hae (Department of Pediatrics, Pusan National University Children's Hospital) ;
  • Song, Ji Yeon (Department of Pediatrics, Pusan National University Children's Hospital) ;
  • Chung, Jae Min (Department of Urology, Pusan National University Yangsan Hospital) ;
  • Lee, Sang don (Department of Urology, Pusan National University Yangsan Hospital) ;
  • Kim, Su Young (Department of Pediatrics, Pusan National University Children's Hospital) ;
  • Kim, Seong Heon (Department of Pediatrics, Pusan National University Children's Hospital)
  • Accepted : 2018.10.04
  • Published : 2018.10.31
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Abstract

Endoscopic subureteral injection for treatment of vesicoureteral reflux (VUR) is known to be safe and efficient due to its minimal invasive nature. Being non-migratory, non-antigenic, and biocompatible, Macroplastique (Polydimethylsiloxane) is likely to be stable over time. A 5-year-old boy with a past history of subureteral administration of Macroplastique for unilateral Grade V VUR 4 years ago presented with recurrent gross and microscopic hematuria, along with suprapubic pain. On computed tomography (CT) abdomen, calcified material, suspected to be a stone, was visualized in the bladder. On diagnostic cystoscopy, calcification was seen around the orifice site where Macroplastique injection had been performed. We removed the calcific material by Holmium laser. Endoscopic subureteric implantation has several advantages, but nevertheless, vigilance is needed to detect long-term complications, especially in patients with gross or microscopic hematuria.

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References

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