Objective To explore the role of differential subsampling with cartesian ordering(DISCO)of Pediatric Vas-cular malformations.Methods A retrospective analysis was performed in 49 patients with venous malformations who un-derwent DISCO contrast-enhanced magnetic resonance angiography(CE-MRA).The diagnostic accuracy of DISCO CE-MRA in Pediatric Vascular malformations was examined based on pathological results.Results 5 of the 49 patients had systemic multisite lesions,and the rest were solitary.A total of 57 lesions were identified.There were 7 cases with capillary malformation(CM),10 with lymphatic malformation(LM),16 with venous malformation(VM,2 with venous stones and 1 with thrombosis),15 with arteriovenous malformation(AVM,6 with arteriovenous fistula),9 with CM-LM-AVM.The diag-nostic concordance rates of DISCO CE-MRI were 100％,100％,93.7％,100％and 88.9％,respectively.There was no sig-nificant difference in accuracy between the DISCO CE-MRI examination and pathological results(P＞0.05).Conclusion The DISCO CE-MRI has important application value for the accurate diagnosis and classification of vascular malformations in children,which can be used as the basis for clinical strategy.
Vascular malformationsDynamic contrast-enhanced MRIDifferential subsampling with cartesian orde-ring
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