[Expression and significance of the cyclin E in laryngeal carcinomas].

Objective: To investigate the clinicopathological significance of the cyclin E expression in laryngeal squamous cell carcinomas (LSCCs).

Method: The expression of cyclin E was detected by immunohistochemistry method in 50 cases of LSCCs, 20 cases of dysplastic squamous epithelium and 10 polyps of vocal cord.

Result: The positive expression of cyclin E was localized in the nuclei of cells.

[The comparison of polymerase chain reaction and standard to fungi].

Objective: The aim of this study was to compare the sensitivity of conventional culture and PCR method.

Method: DNA samples were collected from the sinus of 20 patients with chronic sinusitis and 18 patients diagnosed as fungal sinusitis clinically. Fungal specific PCR analysis and standard culture were performed on every sample.

[Research of the P substance on the olfactory mucous in sinusitis].

Objective: To discuss the pathogenesis of dysosphresia in the chronic sinusitis patients.

Method: Fifty-five cases with chronic sinusitis as experimental group, and 11 cases as control,mere analyzed with acidophilus monitor, and then the P substances in their olfactory mucous were detected.

Result: The positive ratio is 50.