A case of urachal xanthogranuloma containing a calculus: CT and MRI findings

We report a rare case of an urachal xanthogranuloma containing a urinary calculus, which was considered to have originated from vesicourachal diverticulum. The patient was a 66-year old woman with hematuria and pyuria. Computed tomography (CT) revealed a midline-situated supravesical cavitary mass c...

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Bibliographic Details
Published in:European journal of radiology extra 2004, Vol.49 (3), p.107-109
Main Authors: Takeuchi, Mayumi, Matsuzaki, Kenji, Shimazu, Hideki, Numata, Kousaku, Kasai, Toshinori, Nishitani, Hiromu, Uehara, Hisanori
Format: Article
Language:English
Subjects:
MRI
Urachus
Xanthogranuloma
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Summary:We report a rare case of an urachal xanthogranuloma containing a urinary calculus, which was considered to have originated from vesicourachal diverticulum. The patient was a 66-year old woman with hematuria and pyuria. Computed tomography (CT) revealed a midline-situated supravesical cavitary mass containing a calculus. Sagittal images of magnetic resonance imaging (MRI) revealed continuity of the mass with the umbilicus. Fatty components of the xanthogranuloma showed low attenuation on CT and hyperintensity on T1-weighted images of MRI. The presence of a large calculus in the vesicourachal diverticulum may have caused continuous irritation resulting in the xanthogranulomatous formation.
ISSN:1571-4675
1571-4675
DOI:10.1016/S1571-4675(03)00136-6