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[Squamous keratinizing carcinoma in diverticulum of the bladder. Long term evolution].

The authors present a case of scaly carcinoma, located in a vesical diverticulum. They analyse the general problems involved in the etiology, clinical picture, histogenesis and treatment of this kind of neoplasia. The prognosis is unfavourable in a high percentage of cases. The personal case which we present progressed very well (3.5 years) after having been treated by means of diverticulectomy and post-operative radiotherapy.