Vol. 116, December Printed in U.S.A.
THE JOURNAL OF UROLOGY
Copyright© 1976 by The Williams & Wilkins Co.
URETERAL DUPLICATION WITH A BLIND-ENDING BRANCH KAZUMITSU TERASHIMA
AND
HIROSHI FUKUOKA
From the Department of Urology, Kanagawa Children's Medical Center, Yokohama, Japan
ABSTRACT
A case of complete ureteral duplication with a branch ending blindly is presented. Previously, 14 such cases have been reported. blind-ending ureter arises as an abortive attempt at duplication. 3 Complete ureteral duplication occurs twice as often as incomplete duplication.• There have been reported 58 cases of incomplete duplication
In 1967 Schultze reviewed 13 cases of complete ureteral duplication in which 1 ureter ended blindly cranially. 1 Guhr and Trinckauf reported another case in 1967.2 No cases have been described in the English literature since 1960. 1 Herein we
FIG. 1. A, IVP demonstrates moderately dilated and tortuous left ureter. B, retrograde cystogram discloses massive vesicoureteral reflux accompanied by appendix-like tubular structure near distal portion of left ureter.
report a case of a blind-ending ureter in complete duplication (bifid ureter) with a blind-ending branch 1 • 4-7 and only 14 cases of complete duplication with 1 branch ending blindly. Since associated with vesicoureteral reflux. the latter is quite difficult to detect on an IVP or on CASE REPORT cystography unless there is reflux into the blind-ending ureter, A 3-year-old boy was admitted to the hospital because of it is presumable that many cases of this anomaly have been high temperatures and urinary frequency. Urinalysis revealed overlooked. REFERENCES pyuria. An excretory urogram (IVP) showed a moderately dilated and tortuous left ureter (fig. 1, A). A retrograde 1. Schultze, R.: Der blind endende Doppelureter. Zeit. f. Urol. Necystogram demonstrated massive vesicoureteral reflux on the phrol., 60: 271, 1967. left side. In addition, there was an appendix-like tubular 2. Guhr, P. and Trinckauf, H.-H.: Ureterverdoppelung mit blindem structure beside the distal portion of the left ureter (fig. 1, B). Ende bei Ureter bifidus und bei Ureter duplex. Zeit. f. Urol. Cystoscopy revealed 2 ureteral orifices on the left side and Nephrol., 60: 429, 1967. retrograde ureterography confirmed the presence of a blind- 3. Campbell, M. F. and Harrison, J. H.: Urology, 3rd ed. Philadelphia: W. B. Saunders Co., p. 1488, 1970. ending ureter in complete duplication anomaly with its orifice 4. Albers, D. D., Geyer, J. R. and Barnes, S. D.: Blind-ending branch medially and caudally. of bifid ureter: report of 3 cases. J. Urol., 99: 160, 1968. Left ureteroneocystostomy was done, with excision of the 5. Albers, D. D., Geyer, J. R. and Barnes, S. D.: Clinical significance blind-ending ureter. The excised ureter had normal histologiof the blind-ending branch of a bifid ureter: report of 3 additional cal structure (fig. 2). cases. J. Urol., 105: 634, 1971. DISCUSSION
Ureteral duplication is the result of the development of 2 ureteral buds or the splitting of a single ureteral bud. A Accepted for publication April 15, 1976.
6. Britt, D. B., Borden, T. A. and Woodhead, D. M.: Inverted Y ureteral duplication with a blind-ending branch. J. Urol., 108: 387, 1972. _ 7 Haber, K.: Bifid ureter with a blind-ending branch diagnosed by excretory urography: report of a case. J. Urol., 110: 38, 1973.
806
URETERAL DUPLICATION WITH BLIND-ENDING BRANCH
FIG. 2. A, blind-ending ureter and distal portion of mate. B, normal histological appearance of blind-ending ureter. H & E, reduced from x40.
807
THE JOURNAL OF UROLOGY
Copyright© 1976 by The Williams & Wilkins Co.
URETERAL DUPLICATION WITH A BLIND-ENDING BRANCH KAZUMITSU TERASHIMA
AND
HIROSHI FUKUOKA
From the Department of Urology, Kanagawa Children's Medical Center, Yokohama, Japan
ABSTRACT
A case of complete ureteral duplication with a branch ending blindly is presented. Previously, 14 such cases have been reported. blind-ending ureter arises as an abortive attempt at duplication. 3 Complete ureteral duplication occurs twice as often as incomplete duplication.• There have been reported 58 cases of incomplete duplication
In 1967 Schultze reviewed 13 cases of complete ureteral duplication in which 1 ureter ended blindly cranially. 1 Guhr and Trinckauf reported another case in 1967.2 No cases have been described in the English literature since 1960. 1 Herein we
FIG. 1. A, IVP demonstrates moderately dilated and tortuous left ureter. B, retrograde cystogram discloses massive vesicoureteral reflux accompanied by appendix-like tubular structure near distal portion of left ureter.
report a case of a blind-ending ureter in complete duplication (bifid ureter) with a blind-ending branch 1 • 4-7 and only 14 cases of complete duplication with 1 branch ending blindly. Since associated with vesicoureteral reflux. the latter is quite difficult to detect on an IVP or on CASE REPORT cystography unless there is reflux into the blind-ending ureter, A 3-year-old boy was admitted to the hospital because of it is presumable that many cases of this anomaly have been high temperatures and urinary frequency. Urinalysis revealed overlooked. REFERENCES pyuria. An excretory urogram (IVP) showed a moderately dilated and tortuous left ureter (fig. 1, A). A retrograde 1. Schultze, R.: Der blind endende Doppelureter. Zeit. f. Urol. Necystogram demonstrated massive vesicoureteral reflux on the phrol., 60: 271, 1967. left side. In addition, there was an appendix-like tubular 2. Guhr, P. and Trinckauf, H.-H.: Ureterverdoppelung mit blindem structure beside the distal portion of the left ureter (fig. 1, B). Ende bei Ureter bifidus und bei Ureter duplex. Zeit. f. Urol. Cystoscopy revealed 2 ureteral orifices on the left side and Nephrol., 60: 429, 1967. retrograde ureterography confirmed the presence of a blind- 3. Campbell, M. F. and Harrison, J. H.: Urology, 3rd ed. Philadelphia: W. B. Saunders Co., p. 1488, 1970. ending ureter in complete duplication anomaly with its orifice 4. Albers, D. D., Geyer, J. R. and Barnes, S. D.: Blind-ending branch medially and caudally. of bifid ureter: report of 3 cases. J. Urol., 99: 160, 1968. Left ureteroneocystostomy was done, with excision of the 5. Albers, D. D., Geyer, J. R. and Barnes, S. D.: Clinical significance blind-ending ureter. The excised ureter had normal histologiof the blind-ending branch of a bifid ureter: report of 3 additional cal structure (fig. 2). cases. J. Urol., 105: 634, 1971. DISCUSSION
Ureteral duplication is the result of the development of 2 ureteral buds or the splitting of a single ureteral bud. A Accepted for publication April 15, 1976.
6. Britt, D. B., Borden, T. A. and Woodhead, D. M.: Inverted Y ureteral duplication with a blind-ending branch. J. Urol., 108: 387, 1972. _ 7 Haber, K.: Bifid ureter with a blind-ending branch diagnosed by excretory urography: report of a case. J. Urol., 110: 38, 1973.
806
URETERAL DUPLICATION WITH BLIND-ENDING BRANCH
FIG. 2. A, blind-ending ureter and distal portion of mate. B, normal histological appearance of blind-ending ureter. H & E, reduced from x40.
807
