These features possibly contribute to the recurring hemorrhage from the vessels In the outer membrane and the resultant enlargement of the hematoma.
These features possibly contribute to the recurring hemorrhage from the vessels In the outer membrane and the resultant enlargement of the hematoma.
以上这些特徵可能是引起血肿外膜的血管再发性的出血而致血肿继续扩大的主要原因。