英语语法分析

Conclusion Hypoglossal schwannoma is extremely rare.

结论舌下神经鞘瘤罕见。

Objective: To study the clinical features of schwannoma in the genitourinary system.

目的：探讨泌尿生殖系神经鞘瘤的临床、影像学及病理特点。

Also known as vestibular schwannoma, acoustic neuroma is an uncommon cause of hearing loss.

听神经瘤也称为前庭神经鞘瘤，是导致听觉丧失的并不常见的原因。