Hematuria is a frequent presenting symptom.

血尿是常见的表现。

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Endolymphatic sac tumors can cause hearing loss of varying severity, which can be a presenting symptom.

内淋巴囊肿瘤则可以导致不同程度的听力丧失。

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Headache was the most common presenting symptom (85%). Chronic patients complained also of nasal symptoms (82%).

头痛是最常见的主要症状(85%)。慢性患者还会抱怨鼻部的症状(82%)。

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