此皮瓣不仅提供了合适的指掌侧总动脉，也提供了广大的带神经的皮岛。
The boomerang flap not only preserves the proper palmar digital artery but also provides an extended and innervated skin paddle.
结论：指掌侧总动脉可以造成指掌侧总神经的卡压，是导致指掌侧总神经卡压的原因之一。
Conclusions: as one of reasons, common digital palmar artery may cause the entrapment of common palmar digital nerve.
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