颅骨膜血窦是一种罕见的血管畸形，颅内与颅外血液循环借扩张的颅骨板障静脉形成异常交通。
Sinus pericranii is a rare vascular anomaly involving an abnormal communication between the intracranial and extracranial circulations through dilated diploic veins of the skull.
目的探讨带筋膜外踝前动脉蒂外踝骨膜骨瓣的解剖学特点和临床应用价值。
Objective to investigate the anatomical character and clinical application value of external malleolus periosteum bone flap pedicled with facia and external malleolus anterior artery.
结论：以外踝前血管为蒂的外踝骨膜骨瓣移位可修复距骨损伤。
Conclusions: the transposition of external malleolus periosteum bone flap pedicled with external malleolus anterior artery can be designed to plerosis the injured talus.
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