While surgical treatment may be effectie in some patients, it is technically difficult because of the anatomic location, high risk for seere hemorrhage, infection, and damage to neurologic structures.

• 尽管在某些病人手术治疗可能会有效，但由于解剖位置、大出血的高风险、感染和神经损伤的问题，在技术上难以成功。