Hemorrhoids consist of dilated submucosal veins which may thrombose and rupture with hematoma formation.

  • 痔疮由扩张的黏膜下血管形成,此黏膜下血管可形成血栓和破损伴有血肿的形成.

  • 互联网摘选 2025-01-19 10:15:21

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