[Comparative analysis of clinical features of primary and secondary laryngeal tuberculosis]

Objective:The aim of this study was to analyze and compare the clinical pattern, diagnosis and treatment in primary and secondary laryngeal and pharyngeal TB. Methods:A retrospective analysis was carried out on 103 patients diagnosed laryngeal tuberculosis in our department. Characteristics of demography, life-style, clinical features, diagnosis and treatment were obtained from medical case records. Clinical analysis of 103 patients with pathologically confirmed laryngeal TB was carried out retrospectively in the second affiliated hospital of Nanchang university in Jiangxi province. Results:Among 103 patients, 64 cases were diagnosed as primary laryngeal TB and 39 cases were diagnosed as secondary laryngeal TB. The most common complaints were hoarseness and odynophagia. The true and the false vocal cords were most commonly involved. Most patients with primary tuberculosis of the larynx present a single, hyperplastic lesion.Secondary laryngeal TB of larynx was characterized by ulcers, edema effusive, multiple sites lesions. The anti-TB treatment was given systemically to all patients. The surgery should be considered if the patient has a laryngeal obstruction. Conclusion:The clinical manifestations and signs of primary and secondary tuberculosis of the larynx are different. Laryngeal tuberculosis is easy to be misdiagnosed as laryngitis and laryngeal tumors. Pathological examination should be performed to confirm the diagnosis.