Retroperitoneal laparoscopy management for ureteral fibroepithelial polyps causing hydronephrosis in children: A report of five cases

Summary Introduction Hydronephrosis is a common disease in children and may be caused by ureteral fibroepithelial polyps (UFP). Ureteral fibroepithelial polyps are rare in children and are difficult to precisely diagnose before surgery. Surgical treatment for symptomatic UFP is recommended. At the p...

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Published in:	Journal of pediatric urology Vol. 11; no. 5; pp. 257.e1 - 257.e5
Main Authors:	Dai, L.N, Chen, C.D, Lin, X.K, Wang, Y.B, Xia, L.G, Liu, P, Chen, X.M, Li, Z.R
Format:	Journal Article
Language:	English
Published:	England Elsevier Ltd 01-10-2015
Subjects:	Adolescent Anastomosis, Surgical - methods Child Disease Management Follow-Up Studies Humans Hydronephrosis Hydronephrosis - diagnosis Hydronephrosis - etiology Hydronephrosis - surgery Laparoscopy - methods Male Neoplasms, Fibroepithelial - complications Neoplasms, Fibroepithelial - diagnosis Neoplasms, Fibroepithelial - surgery Pediatric Pediatrics Polyps - complications Polyps - diagnosis Polyps - surgery Postoperative Period Retroperitoneal Space - surgery Retroperitoneoscopy Retrospective Studies Time Factors Ureter - surgery Ureteral fibroepithelial polyp Ureteral Neoplasms - complications Ureteral Neoplasms - diagnosis Ureteral Neoplasms - surgery Ureteral Obstruction - complications Ureteral Obstruction - diagnosis Ureteral Obstruction - surgery Urologic Surgical Procedures, Male - methods Urology Ureteral fibroepithelial polyp Pediatric Retroperitoneoscopy Hydronephrosis
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Summary:	Summary Introduction Hydronephrosis is a common disease in children and may be caused by ureteral fibroepithelial polyps (UFP). Ureteral fibroepithelial polyps are rare in children and are difficult to precisely diagnose before surgery. Surgical treatment for symptomatic UFP is recommended. At the present institution, retroperitoneal laparoscopy has been used to treat five boys with UFP since 2006. Objective To highlight the significance of UFP as an etiological factor of hydronephrosis in children and evaluate the applicative value of retroperitoneal laparoscopy in the treatment of children with UFP. Methods Between 2006 and 2013 five boys underwent retroperitoneal laparoscopy at the present institution. They were identified with UFP by review of the clinical database. Detailed data were collected, including: radiographic studies, gross anatomical pathology, and pathology and radiology reports. All boys had been followed up at least every 6 months. Results All of the boys were aged between 7 and 16 years (mean 9.8 years). The main symptoms were flank pain (all five) and hematuria (three). Radiographic examination showed that all of the boys presented with incomplete ureteral obstruction and hydronephrosis. The ureteral fibroepithelial polyps were located near the left UPJ or the left proximal ureter. All of the boys had the UFP removed: three underwent retroperitoneal laparoscopic dismembered Anderson–Hynes pyeloplasty and polypectomy, and two had retroperitoneal laparoscopic ureteral anastomosis. These polyps were all on the left side and between 15 and 35 mm in length (mean 22 mm) (Figure). All of the boys recovered well and were discharged from hospital. The postoperative histological report confirmed that the specimens were UFP. Hydronephrosis was periodically assessed by ultrasonography (using the same method as pre-surgical ultrasonography) after surgery. Mean follow-up was 33 months (range 6–58 months) and no complications were found afterwards. Conclusions Ureteral fibroepithelial polyps are rare but rather important as they can cause UPJ obstruction, which often manifests as hydronephrosis. It is most important to confirm the site of ureteral obstruction before surgery as this may have an effect on the surgical management. It is recommended that UFP be successfully managed in children with retroperitoneal laparoscopy. Figure Intraoperative findings of ureteral fibroepithelial polyps and the gross samples.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1477-5131 1873-4898
DOI:	10.1016/j.jpurol.2015.02.019