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Lower pole anatomy of horseshoe kidney and complete ureteral duplication: Anatomic and radiologic study applied to endourology
Gomes Sobrinho, Ulisses; Sampaio, Francisco J. B.; Favorito, Luciano A..
  • Gomes Sobrinho, Ulisses; Universidade do Estado do Rio de Janeiro. Unidade de Pesquisa Urogenital. Rio de Janeiro. BR
  • Sampaio, Francisco J. B.; Universidade do Estado do Rio de Janeiro. Unidade de Pesquisa Urogenital. Rio de Janeiro. BR
  • Favorito, Luciano A.; Universidade do Estado do Rio de Janeiro. Unidade de Pesquisa Urogenital. Rio de Janeiro. BR
Int. braz. j. urol ; 48(3): 561-568, May-June 2022. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1385116
ABSTRACT
ABSTRACT

Purpose:

To analyze the 3-dimensional intrarenal anatomy of horseshoe kidneys (HK) and kidney with complete ureteral duplication (CUD), in polyester resin endocasts of the collecting system and in patients submitted to 3D computerized tomography scan (CT-scan). Materials and

Methods:

We analyzed seven 3-dimensional polyester resin endocasts of the kidney collecting system obtained from 6 fresh adult cadavers (4 with unilateral CUD and 2 with horseshoe kidney) and CT-scan reconstruction images of kidneys from 24 patients 6 patients with HK, 8 with CUD and 10 patients without renal anomalies that were used as controls. We analyzed the spatial distribution of the calices, the infundibula diameters, the angle between the lower infundibulum and the renal pelvis (LIP) and the angle between the lower infundibulum and the inferior minor calyces (LIICA). Measurements of the width and length of the inferior infundibulum and the infundibula of the minor calyces, as well as the angles (LIP and LIICA) were made with the aid of the LibreOffice 6.3 software. The data were analyzed with the IBM® SPSS® Statistics.

Results:

There was no statistical difference in the inferior pole measurements between the groups with anomalies and the control group, both in polyester resin endocasts and CT-scan reconstruction images for LIP. When we compared the LIP in the CT-scan between HK versus CUD (p= 0.003), and HK versus the control group (p= 0.035), we observed statistical difference.

Conclusions:

The knowledge of spatial anatomy of lower pole is of utmost importance during endourologic procedures in patients with kidney anomalies. In the present study we observed that horseshoe kidneys had more restrictive anatomic factors in lower pole than the complete ureteral duplication.


Full text: Available Index: LILACS (Americas) Language: English Journal: Int. braz. j. urol Journal subject: Urology Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade do Estado do Rio de Janeiro/BR

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Full text: Available Index: LILACS (Americas) Language: English Journal: Int. braz. j. urol Journal subject: Urology Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade do Estado do Rio de Janeiro/BR