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[Ectopic ureterocele--diagnosis and therapy].

The ectopic ureterocele is a relatively frequent congenital abnormality of the urinary tract. Its clinical signs are often uncharacteristic. Therefore the sometimes discrete changes in the diagnostic evaluations have to be looked for. The various procedures of which the excretory urography still plays a central role are discussed with their possibilities and limitations. The removal of the mostly dysplastic upper segment with its ureter is usually the most sensible treatment. Only in rare cases, where scintigraphically and clinically the segment seems preservable, a ureteropyelostomy is indicated. The different indications for primary and secondary excision of the ureterocele itself are outlined. A minimal therapy, that does not correct the underlying anatomical abnormality like the endoscopic incision should be reserved for uroseptic emergencies.