[The effect of glucocorticoid on IL-8 expressing in lung tissue of rat with chronic obstructive pulmonary disease].

Objective: To explore the role of IL-8 in the pathogenesis of chronic obstructive pulmonary disease (COPD) and the effect of glucocorticoid on COPD.

Methods: 24 health males of Wistar rats were randomly divided into three groups (group A: normal control group, group B: COPD model group, group C: group pretreated with prednisone), of which each got 8 rats for this study project. Rat COPD model was established by exposing rat to cigarette smoke daily for 120 days.

[Clinical and pathological features of congenital bronchial cyst].

Objective: To study the clinical and pathological features of congenital bronchial cysts.

Methods: The clinical, X-ray, CT and histopathologic manifestations were retrospectively reviewed in 30 patients with congenital bronchial cysts.

Results: There were 23 patients with intrapulmonary bronchogenic cysts, 5 patients with mediastinal bronchogenic cysts, and 2 patients with ectopic bronchogenic cysts.