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A Rare Pseudotumoural Bladder Presentation Revealing Crohn’s Disease in the Absence of an Enterovesical Fistula: A Case Report

Year: 2026

Type: article

Abstract: Urological involvement in Crohn's disease is rare and most often associated with enterovesical fistulas. However, reactive thickening of the bladder wall without true fistulous communication is rarely described and may suggest a malignant bladder tumour. We report the case of a 63-year-old man presenting with lower urinary tract symptoms and gross haematuria. The results of imaging and cystoscopy initially suggested a bladder tumour. Further examinations revealed fistulous Crohn's disease with an inflammatory collection above the bladder causing marked reactive thickening of the bladder dome, with no sign of enterovesical fistula. This case highlights an unusual presentation of Crohn's disease and underlines the importance of considering extrinsic inflammatory causes in the differential diagnosis of bladder pseudotumours.

Source: Cureus

DOI: 10.7759/cureus.107787

Authors: Anass El Alaoui, Anouar El Moudane, Achraf Benamou, Mohamed Moukadem, Ali Barki

Institutions: Mohamed I University, Centre Hospitalo-Universitaire Mohammed VI d'Oujda

Language: English

Topic: Inflammatory Bowel Disease

Subfield: Genetics

Field: Biochemistry, Genetics and Molecular Biology

Domain: Life Sciences

SDG: Good health and well-being

Open Access status: diamond

OpenAlex ID: W7155808175