减少手术伤口愈合不良和疝形成的机会。

Reduced risk of herniation or wound separation.

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急性大脑肿胀在枕骨大孔处也经常形成小脑扁桃体疝，注意小脑髓质附近的锥体形状的小脑扁桃体。

Acute cerebral swelling can also often produce herniation of the cerebelllar tonsils into the foramen magnum. Note the cone shape of the tonsils around the medulla in this cerebellum.

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左大脑半球肿胀通过小脑幕形成海马钩回疝和正中线偏移，从而出现此处白色箭头所示的沟。

Swelling of the left cerebral hemisphere has produced a shift with herniation of the uncus of the hippocampus through the tentorium, leading to the groove seen at the white arrow.

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