Bladder Cancer in Spinal Cord Injury Patients

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Abstract
A total of 8 cases of bladder cancer in spinal cord injury men (4 quadriplegics and 4 paraplegics) was seen at 3 medical centers since 1985. All 8 men had a hyperreflexic bladder and 3 of them had associated detrusor-sphincter dyssynergia. Upper tract changes were noted in 4 patients: 2 with distal ureterectasis and 2 with mild hydronephrosis. Only 1 of these men did not have historical films with which to compare results. Histology was transitional cell carcinoma in 6 men and squamous cell carcinoma in 2. Four patients presented with muscle invasion and 1 presented with diffuse carcinoma in situ involving the penile urethra. Three patients presented with superficial transitional cell carcinoma and 2 of them had progression to muscle invasion within 6 and 11 months. All but 2 of the patients with invasive disease underwent a radical operation and urinary diversion. Although followup is short (range 6 to 17 months), 5 patients are well with no evidence of disease and of the 3 who died 2 had no evidence of disease. We found a lower incidence of bladder cancer and a decreased percentage of squamous cell carcinoma than in previous reports, which may reflect an improvement in the lower tract management of these patients. Survival with appropriate bladder cancer treatment appears to correlate well with that of the ambulatory population.