Abstract

Case Report

Stone on the Mesh: Intravesical Erosion after Laparoscopic Promontofixation-A Hidden Cost of Durability

Ayoub Mamad*, Mohammed Amine Bibat, Mohammed Amine Elafari, Midaoui Moncef, Amine Slaoui, Tarik Karmouni, Abdelatif Koutani and Khalid Elkhader

Published: 19 February, 2026 | Volume 10 - Issue 1 | Pages: 006-009

Intravaginal erosion of synthetic mesh after laparoscopic promontofixation(sacrocolpopexy) is an uncommon but clinically relevant late complication. When mesh becomes exposed within the bladder, it may function as a persistent foreign body, encouraging chronic inflammation, bacterial colonization, recurrent lower urinary tract symptoms, and progressive encrustation that can culminate in bladder stone formation. We report a 60-year-old woman with a history of laparoscopic promontofixation using standard polypropylene mesh performed approximately five years earlier. She presented with progressive urinary symptoms. Bladder ultrasound demonstrated an intravesical calculus, and diagnostic cystoscopy confirmed a bladder stone developing on exposed intravesical mesh fibers, consistent with intravesical mesh erosion. Endoscopic management was performed with cystolithotripsy followed by section/resection and removal of the exposed intravesical mesh to eliminate the lithogenic nidus, with a favorable outcome. In women with prior promontofixation presenting with bladder stones, recurrent urinary tract infections, hematuria, or persistent irritative urinary symptoms, intravesical mesh erosion must be considered. Cystoscopy is essential for diagnosis because imaging may identify the stone but not the underlying foreign-body etiology, and definitive treatment requires both stone clearance and elimination of intravesical foreign material to prevent recurrence.

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Keywords:

Promontofixation; Mesh erosion; Intravesical erosion; Bladder calculus; Cystoscopy

References

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  5. Sobota R, Thomas D, Demetres M, Cadestin V, Mao T, Asfaw T, et al. The management and efficacy of surgical techniques used for erosive mesh in the urethra and bladder: a systematic review. Urology. 2019;134:2–23. Available from: https://doi.org/10.1016/j.urology.2019.08.001

Figures:

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