Evaluating pediatric ureteropelvic junction obstruction: Dynamic magnetic resonance urography vs renal scintigraphy 99m-technetium mercaptoacetyltriglycine

doi:10.4329/wjr.v16.i3.49

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Mar 28, 2024 (publication date) through Dec 2, 2024

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World Journal of Radiology

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1949-8470

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World J Radiol. Mar 28, 2024; 16(3): 49-57
Published online Mar 28, 2024. doi: 10.4329/wjr.v16.i3.49

Table 4 Discrepant characteristics of group A and group B, n (%)

	Scintigraphy MAG-3 + dMRU, n = 40	Group A < 10% discrepancy, n = 31	Group B > 10% discrepancy, n = 9	P value
Number of discrepancies	6.5 (2-9.8)	4 (2-8)	18 (12-24)	< 0.0001
Side				0.999
Right	13 (33)	10 (32)	3 (33)
Left	27 (67)	21 (68)	6 (67)
Renal transit (affected), s	100 (67-120)	100 (60-120)	100 (70-180)	0.359
Ureteral transit (affected), s	240 (180-511)	240 (180-520)	406 (300-511)	0.285
Affected renal size, mm
RUS	28 (23-36)	29 (24-36)	24 (22-32)	0.381
MRI
Before furosemide	28 (22-35)	31 (21-35)	25 (23-31)	0.652
After furosemide	30 (24-40)	29 (24-42)	32.5 (25-36)	0.966
Follow-up, months	12 (5-20)	10 (3-16)	19 (10-26)	0.05

Values are presented as median (interquartile range) or n (%), as appropriate. dMRU: Dynamic contrast-enhanced magnetic resonance urography; MAG-3: 99m-technetium mercaptoacetyltriglycine; MRI: Magnetic resonance imaging; RUS: Renal ultrasonography.

Citation: Al-Shaqsi Y, Peycelon M, Paye-Jaouen A, Carricaburu E, Tanase A, Grapin-Dagorno C, El-Ghoneimi A. Evaluating pediatric ureteropelvic junction obstruction: Dynamic magnetic resonance urography vs renal scintigraphy 99m-technetium mercaptoacetyltriglycine. World J Radiol 2024; 16(3): 49-57
URL: https://www.wjgnet.com/1949-8470/full/v16/i3/49.htm
DOI: https://dx.doi.org/10.4329/wjr.v16.i3.49