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Case - Gigantic obstructive calculi in continent urinary diversion.

Stone formation is a well-documented, long-term complication after continent urinary diversions, with a reported incidence varying from 30–50%.1 Contributing factors include metabolic abnormalities, urinary stasis, persistent mucus production by the intestinal segment, presence of foreign bodies, recurrent infections, non-absorbable sutures, and poor compliance of patients with clean intermittent catheterization techniques.2,3