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首页> 外文期刊>Otology and neurotology: official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology >Intracranial Lipomas Affecting the Cerebellopontine Angle and Internal Auditory Canal: A Case Series
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Intracranial Lipomas Affecting the Cerebellopontine Angle and Internal Auditory Canal: A Case Series

机译：影响小脑角度和内听管的颅内脂肪瘤：病例系列

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摘要

Objective: To assess the long-term outcome of lipomas affecting the cerebellopontine angle (CPA) and internal auditory canal (IAC).Patients: This is a retrospective, single-center study of 10 CPA and IAC lipomas that have presented for the last 6 years. There were 8 male and 2 female patients whose age ranged from 22 to 71 years. These lesions were distributed equally between left and right sides.Intervention: The natural progression, audiovestibular signs and symptoms, imaging characteristics, and management options have been evaluated.Main Outcome Measure: Long-term clinical outcome was correlated with serial imaging and audiograms. Results: The most common presenting feature was hearing loss with an average lesion size of 8 mm. Two patients experienced imbalance, with one requiring operative intervention for incapacitating vertigo. The other 9 were managed conservatively.Follow-up imaging was available for 8 cases, and no growth was observed in any of these, with an average follow-up of 3.5 years. Conclusion: Because of the resolution of modern imaging, lipomas of the IAC and CPA are increasingly being recognized and accurately diagnosed. Our data suggest that these lesions are more common than previously thought, representing approximately 1% of all lesions in this location referred to our center. With the absence of growth in 8 cases with follow-up average of 3.5 years as our basis, we recommend that these lesions are managed conservatively by serial imaging, hi rare cases, surgery may be required if the lesion is resulting in incapacitating symptoms, such as significant balance disturbance.
机译：目的：评估影响小脑角膜角（CPA）和内听管（IAC）（IAC）的长期结局。患者：这是对10个CPA和IAC脂肪瘤的回顾性单中心研究年。有8名男性和2名女性患者，年龄为22至71岁。这些病变分布在左侧和右侧。干预：已经评估了自然进展，旁白体征和症状，成像特征和管理选项。结果指标：长期临床结果与串行成像和听力图有关。结果：最常见的表现特征是听力损失，平均病变大小为8毫米。两名患者遭受失衡，其中一名需要手术干预才能使眩晕无能力。另外9个是保守管理的。遵循8病例的遵循成像，并且在其中任何一个中未观察到增长，平均随访时间为3。5年。结论：由于现代成像的分辨率，IAC和CPA的脂肪瘤越来越被识别并准确地诊断出来。我们的数据表明，这些病变比以前想象的更常见，约占该位置所有病变的1％。由于我们的8例平均随访时间为3。5年，因此我们建议通过串行成像对这些病变进行保守管理，罕见病例，如果病变导致症状无能力，可能需要进行手术，例如作为显着的平衡干扰。

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