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Superb microvascular imaging for the detection of parenchymal perfusion in normal and undescended testes in young children.

Abstract：

OBJECTIVES:To compare the detectability of perfusion difference between normal and undescended testes (UDT) in young children using conventional Power Doppler Imaging (PDI) and Superb Microvascular Imaging (SMI). METHODS:We prospectively performed testicular ultrasonography including PDI and SMI for the evaluation of microvascular flow in young children. Microvascular flow was categorized into four grades (grade 0-4). Statistical analysis was performed to compare the differences between undescended and normal testes. RESULTS:We imaged 40 testes from 20 boys (age, 2-29 months). Testes sizes and volumes were similar between the 29 normal and 11 UDT. PDI demonstrated low grade flow in most normal (19/29) and UDT (11/11) without difference (P=0.130). However, SMI detected differences in flow grades between normal and UDT (P<0.001). In univariate analysis, age (odds ratio [OR], 0.829; P=0.012) and low grade flow on SMI (OR of grade 0, 51.886 with P<0.001 and OR of grade 1, 14.29 with P=0.017) were associated with UDT. These parameters were also significant in multivariate analysis with larger area under the curve, compared with the results using PDI (0.892 vs. 0.726, P=0.002). CONCLUSIONS:SMI can detect perfusion difference between normal and UDT in young children better than PDI.

journal_name

Eur J Radiol

journal_title

European journal of radiology

authors

Lee YS,Kim MJ,Han SW,Lee HS,Im YJ,Shin HJ,Lee MJ

doi

10.1016/j.ejrad.2015.12.023

subject

Has Abstract

pub_date

2016-03-01 00:00:00

pages

649-56

issue

3

eissn

0720-048X

issn

1872-7727

pii

S0720-048X(15)30206-0

journal_volume

85

pub_type

杂志文章

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