J Korean Med Sci.  2012 Jun;27(6):704-706. 10.3346/jkms.2012.27.6.704.

Unilateral Hydronephrosis and Hydroureter by Foreign Body in Urinary Bladder: A Case Report

• Cho BS
• Park KS
• Kang MH
• Han GS
• Lee SY
• Cha SH
• Kim SJ

• KMID: 1421627
• DOI: http://doi.org/10.3346/jkms.2012.27.6.704

Abstract

Foreign bodies inserted through the urethra are often found in the urinary bladder. We presently report the first case of hydronephrosis and hydroureter due to direct compression in the urinary bladder by silicon, which had been introduced by the patient himself 2 yr prior to presentation with severe right flank pain. Computed tomography indicated a convoluted, high-attenuation mass in the urinary bladder; unilateral hydronephrosis and hydroureter were also present due to direct compression by the mass. The foreign body was removed using a cystoscope. This foreign body was proven to be silicon.

Keyword

Foreign Bodies; Silicon; Hydronephrosis; Urinary Bladder; Computed Tomography

MeSH Terms

Adult
Cystoscopy
Foreign Bodies/complications/*radiography/surgery
Humans
Hydronephrosis/*etiology
Male
Silicon
Tomography, X-Ray Computed
Urinary Bladder
Silicon

Figure

• 

  Fig. 1 Intravesical foreign body (silicon) in a 42-yr-old man. (A) Simple pelvic radiograph showing a high-attenuation mass (arrows) in the pelvic area. (B) Axial computed tomography (CT) image demonstrating a convoluted, high-attenuation lesion in the urinary bladder. Dilatation of the distal ureter can also be observed (arrows). (C) Axial CT image showing hydronephrosis of the right kidney. (D) Photograph of the foreign body: it was brown, approximately 1 m long and 7 mm thick. It was identified as silicon.

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