多部位梗死多于单部位梗死，后循环近段、远段同时梗死或远段梗死者，预后不良，基底动脉主干阻塞预后差。

Patients had poor prognosis with simultaneous proximal and distal territory involvement in the posterior circulation, and patients who had basilar artery occlusive lesions had very bad prognosis.

youdao

如为单侧肾脏病变阻塞部位位于输尿管及以上，如结石、肿瘤或较少见的炎症所致的狭窄。

If unilateral, it may be due to obstruction at the level of the ureteral orifice and above, as from a calculus or neoplasm, or less commonly a stricture from inflammation.

youdao

临床上，病人多为男性，年龄在40 - 60之间，最常见的主诉是单侧鼻腔阻塞、不通气，鼻出血、嗅觉异常、鼻漏及疼痛。

Clinically, the typical patient is a male between the ages of 40-60 years. The most frequent complaints are unilateral nasal obstruction, stuffiness, epistaxis, dysosmia, rhinorrhea and pain.

youdao