A Case of Vascular Malformation at Great Saphenous Vein

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  • 幼児の大伏在静脈より発生した血管奇形の1例
  • 症例報告 幼児の大伏在静脈より発生した血管奇形の1例
  • ショウレイ ホウコク ヨウジ ノ ダイ フクザイ ジョウミャク ヨリ ハッセイシタ ケッカン キケイ ノ 1レイ

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Abstract

Vascular malformation at an extremity is congenital. In particular, cystic venous malformation or arteriovenous malformation is not unusual for an infant or a younger child, but the vascular lesion sometimes swells after childhood. The appearance of varicose veins in the lower extremities is often seen particularly in women of middle age or older; however, the case of a varicose vein at the great saphenous vein in a younger child is extremely rare. In this case, a soft mass was seen at the left lower inguinal portion of the thigh in a 6-year-old girl. The reflux into the soft cystic mass from the great saphenous vein was detected by an ultrasound examination. Moreover, a cystic vascular malformation was clearly depicted by the 3D-CT at the portion where the left great saphenous vein falls into the femoral vein. But, according to the histopathological findings from a resected specimen, the soft cystic mass was finally diagnosed as an arteriovenous malformation with vascular malformation showing multilocular venous wall accompanied a fine artery. We advise that it is necessary for a patient to undergo an appropriate surgical procedure with complete resection of the arteriovenous malformation, and long term follow-up observation should be continued.

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