UT10 Ureteral submucosal tunnel length/height [ultrasound] Ureteral submucosal tunnel length/age [ultrasound]
The anatomy of the ureterovesical junction is of importance for the evaluation of the refluxing ureter in children. Using the filled bladder as an acoustic window both the extra- and intravesical part of the ureter can be assessed. The submucosal ureteral segment is the part that runs parallel to the bladder wall, between the transmural ureteral segment and the meatus (Figure UT10.1). It is abnormally short or absent in refluxing ureters.
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