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Commentary on Effectiveness and Safety of Ethanol for the Treatment of Venous Malformations.

Venousmalformations (VM)are oneof the birth defects affecting the circulation system, limited only to the venous system, following the developmental arrest during the embryogenesis. In this case, it reflects the groupof defectivedevelopment occurred along the early stage of embryogenesis to maintain/possess unique mesenchymal cell characteristics of evolutional potential, classified as “extratruncular” type of the lesion.