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The size of the renal pelvis on ultrasonography in children

✍ Scribed by Tsuen-Chiuan Tsai; Hung-Chang Lee; Fu-Yuan Huang

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
398 KB
Volume
17
Category
Article
ISSN
0091-2751

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✦ Synopsis

Eighty-seven patients and 60 normal children were studied to determine the upper limit of the renal pelvic size in children and its relation to disease and age. The renal pelves were all measured by ultrasonography. Further radiologic examinations were performed on the disease group to confirm the final diagnosis. We found that a 10 mm diameter was the upper limit of the normal renal pelvis. Second, measuring the renal pelvic size on an ultrasonogram was highly reliable in diagnosing obstructive uropathy (100% sensitivity, 90.3% specificity). However, when the ultrasonogram with the 10 mm criterion was the sole diagnostic measure, many nonobstructive hydronephroses cases (26137) were misdiagnosed. Therefore, other diagnostic tools should be employed. Third, the size of the renal pelvis was not influenced by age in children.

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