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Updated: Jan 31, 2026

An In Vitro Bladder Model of Catheter-Associated Urinary Tract Infection
Published on: June 24, 2025
Urinary bladder xanthoma: Two case reports and a review of the literature
Nataniele Piol1, Guglielmo Mantica2, Riccardo Banchero2
1Department of Pathology. Policlinico San Martino Hospital. University of Genova. Genova. Italy.
Objective:
We present two rare cases ofbladder xanthomata associated with transitional cell carcinoma.
Method And Results:
Cases description and selectionof related pictures. Review of the existing literature.
Conclusions:
Xanthomata are non-neoplastic lesionsconsisting of group of foamy lipidstoring histiocytes in thedermis of skin or in the lamina propria of mucosa. Urinarybladder is an uncommon localization for these lesions andtheir etiology isn't still well understood, being variably associatedwith abnormalities of lipid metabolism. Althoughsometimes they are described in association with urothelialneoplasms, they were not believed to have any biologicalneoplastic potential and so they are treated consequently.
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