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Related Concept Videos

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Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

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Related Experiment Video

Updated: Jun 10, 2026

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis
04:37

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis

Published on: April 25, 2025

Mesenteric fibromatosis causing ureteral stenosis.

Jae Young Choi1, Kyung Mo Kang, Bum Soo Kim

  • 1Department of Urology, School of Medicine, Kyungpook National University, Daegu, Korea.

Korean Journal of Urology
|July 29, 2010
PubMed
Summary

We present a rare case of aggressive mesenteric fibromatosis causing ureteral stenosis in a woman. Surgical excision and ureter reconstruction successfully treated this benign fibrous tissue growth.

Keywords:
Aggressive fibromatosisRetroperitoneal neoplasms

Related Experiment Videos

Last Updated: Jun 10, 2026

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis
04:37

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis

Published on: April 25, 2025

Area of Science:

  • Gastroenterology
  • Urology
  • Surgical Oncology

Background:

  • Mesenteric fibromatosis is a rare, benign proliferation of fibrous tissue within the bowel mesentery.
  • This condition can present with complications such as ureteral stenosis due to its location and mass effect.

Purpose of the Study:

  • To report a unique case of aggressive mesenteric fibromatosis presenting with significant ureteral stenosis.
  • To illustrate the surgical management and pathological confirmation of this rare entity.

Main Methods:

  • A 46-year-old woman with intermittent right abdominal pain underwent computed tomography (CT) for diagnosis.
  • CT revealed a retroperitoneal mass causing right ureteral stenosis.
  • Surgical excision of the mass, affected bowel segments (ileum, ascending colon), and ureter was performed, followed by end-to-end ureter anastomosis.

Main Results:

  • Pathological examination confirmed the diagnosis of mesenteric fibromatosis.
  • The surgical intervention successfully addressed the ureteral stenosis and removed the mass.

Conclusions:

  • Aggressive mesenteric fibromatosis can lead to ureteral obstruction, requiring complex surgical intervention.
  • Complete surgical excision is crucial for managing mesenteric fibromatosis with associated complications.