H D Jaeger

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Duplications of the male urethra are rare congenital malformations. They do not represent a uniform entity making it difficult to find an unequivocal and comprehensive classification. Management is directed by the individual functional situation. In this presentation two morphologically and functionally differing cases of a sagittal urethral duplication are(More)
The proximal ureter atresia as a cause of a congenital hydronephrosis with functioning normal kidney is to a certain extent unknown. The histological elaboration of an uretero-pelvic resection preparation of a 7-year-old boy after Anderson-Hynes-plasty showed the transition of a stenosis of the ureter passage into a ureter atresia. Cause of the development(More)
From 1969 to 1984, 31 children were operated on for a diseased solitary kidney. There was a peak of incidence during the first 2 years of life, due mostly to congenitally malformed solitary kidneys. In contrast, operations in older children became necessary for diseased residual kidneys. In some children, secondary or even multiple operations had to be(More)