Megaureter is a medical anomaly whereby the ureter is abnormally dilated. Congenital megaureter is an uncommon condition which is more common in males, may be bilateral, and is often associated with other congenital anomalies. The cause is thought to be aperistalsis of the distal ureter, leading to dilatation.[citation needed]
The cutoff value for megaureter is when it is wider than 6[1] or 7 mm.[2]
A functional obstruction at the lower end of the ureter leads to progressive dilatation and a tendency to infection. The ureteric orifice appears normal and a ureteric catheter passes easily.[citation needed]
Definitive surgical treatment involves refashioning the lower end of the affected ureter so that a tunnelled reimplantation into the bladder can be done to prevent reflux.[citation needed]
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Caso 1 Megaureter Obstrutivo Primário
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Megaureter 3D
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Ureteric reimplantation extravesical
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References
- ^ "Enlarged ureter". Greifswald Medical School. Archived from the original on 2017-02-07. Retrieved 2017-02-06.
- ^ Page 140 in: Mitchell E. Tublin (2015). Diagnostic Imaging: Genitourinary E-Book. Edition 3. Elsevier Health Sciences. ISBN 9780323400428.
- Bailey and Love's Short Practice of Surgery
Further reading
- Hendren, W. Hardy (1969). "Operative Repair of Megaureter in Children". Journal of Urology. 101 (4): 491–507. doi:10.1016/S0022-5347(17)62370-X. ISSN 0022-5347.
- Aksnes, Gunnar; Imaji, Reisuke; Dewan, Paddy A. (2002). "Primary megaureter: Results of surgical treatment". ANZ Journal of Surgery. 72 (12): 877–880. doi:10.1046/j.1445-2197.2002.02585.x. ISSN 1445-1433.
External links
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This page was last edited on 17 January 2024, at 05:42