声带麻痹本身不是一种疾病，但被认为是先天性或获得性潜在疾病过程的征兆，单边或双边，突然或逐渐发作，可能发生在从摇篮到坟墓的任何年龄。这项研究旨在了解声带麻痹的发病率和病因。发病率为0.42％或每万例新患者中有42例。大多数患者出现在第5和第6个十年（77.2%）。雄性以3：1的比例超过雌性。声带麻痹最常见的症状是声音嘶哑（83.6％。).在60％的病例中，症状的发作是逐渐的。左声带的受累率（61.9％）几乎是右声带（38.1％）的两倍。异位症组占38.18％，其次是肿瘤疾病29.09oc。
Vocal cord paralysis is not a disease per se but is considered as a sign of underlying disease process that may be congenital or acquired, unilateral or bilateral, sudden or gradual in onset, and may occur at any age from cradle to the grave.This
study vas carried out to know the incidence and etiopathology of vocal cord paralysis.The incidence was 0.42% or 42 per ten thousand new patients seen. Most patients presented in the 5th and 6th decades (77.2%). Males outnumbered females in the ratio of 3:1. The most common symptom of vocaL cord paralysis was hoarseness of voice alone(83.6%.).Onset of symptoms was gradual in 60% of cases.Left vocal cord was almost twice more commonly (61.9%)involved than the right one(38.1%).Idiopalhic group constituted 38.18% of patients followed by neoplaslic diseases 29.09oc.
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