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近年来在大多数科技发达的国家结核感染的年发生率仅为1～3/百万,并继续以每年10%的递减率下降,但喉结核仍为最常见的喉慢性病。目前,估计肺结核患者中有1.5～1.8%并发喉结核。在发展中国家,由于居住过度拥挤和营养不良,肺结核仍然是常见和严重的疾病。现多数发展中国家结核感染的年发生率为2～5%。坦桑尼亚为2%,估计每年有1.5万人患肺结核。由于该国医疗条件所限,实际上只有痰涂片阳性的肺结核患者的1/3能被明确诊断,大量结核病患者得不到早期诊断、治疗或治疗中断,故约有半数以上未获诊断的患者死于结核病。
The incidence of tuberculosis in most technologically advanced countries in recent years has been only 1-3% per million and continues to decline at a rate of 10% per year, but laryngeal tuberculosis remains the most common form of laryngocarcinoma. Currently, it is estimated that 1.5 to 1.8% of patients with tuberculosis complicated by laryngeal tuberculosis. In developing countries, tuberculosis is still a common and serious disease due to overcrowding and malnutrition. The annual incidence of tuberculosis infection in most developing countries is 2 to 5%. 2% in Tanzania and an estimated 15,000 people suffer from tuberculosis each year. Due to the limited medical conditions in the country, in fact, only one-third of sputum smear positive tuberculosis patients can be definitely diagnosed, and a large number of TB patients can not get early diagnosis, treatment or treatment interruption, so about half of them are undiagnosed Patient died of tuberculosis.