The Journal of urology
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The stoma is the weak link of external urinary diversion. Improper stomal position or configuration produces the unnecessary burden of leakage for the patient with diversion. Stomal bleeding, incrustation and peristomal dermatitis cause inconvenience and expense. ⋯ The significant complication has been parastomal hernia. Minor modifications of the technique have lowered the incidence of hernia. Loop stomas are our principal form of stomal construction.