[Secondary laryngeal tuberculosis at high altitudes of Tibet].

Objective: To improve the diagnostic and therapeutic efficiency for secondary laryngeal tuberculosis through an analysis on the clinical features of patients with this disease.

Method: A retrospective study was made among 49 cases with laryngeal tuberculosis treated in Tibetan General Hospital of Chinese PLA, and the clinical data were carefully analyzed to summarize the clinical experience of this disease.

Result: Of 49 patients, 24 cases had 1 year history, 11 cases had 1 to 3 years, 9 cases had 3 to 5 years, 5 cases had 5 years or more.