胰外积液中以肾旁前间隙积液最多，有30例（占51.7%），小网膜囊积液次之，为26例（占44.8%）。

Extrapancreatic fluid collection was most commonly seen in the anterior pararenal space(30 cases, 51.7%), followed by the lesser sac(26 cases, 44.8%).

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肾旁后间隙向内侧可延伸至腰大肌的后外侧缘。

The posterior pararenal spaces may extend posterolateral to psoas.

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肾旁后间隙向内侧可延伸至腰大肌的后外侧缘。

The posterior pararenal spaces may extend posterolateral to psoas.

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