憩室表现为胰头右后方半圆形含气体腔影，可有液平，与胰头交界部边缘锐利。

Duodenal diverticulum manifested as hemicycle lesion with gaseous density which had air-fluid level behind pancreatic head with clear border.

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憩室表现为胰头右后方半圆形含气体腔影，可有液平，与胰头交界部边缘锐利。

Duodenal diverticulum manifested as hemicycle lesion with gaseous density which had air-fluid level behind pancreatic head with clear border.

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