1. Oral leukoplakia, fibrosis or ulcer, skin pigmentation, loss of weight for over 10%.

2. Oral leukoplakia is an important premalignant lesion of the oral mucosa.

3. Conclusion The cream has therapeutic effect on pudendum leukoplakia, and it is safe and convenient.

4. Methods: Clinical data of 160 patients with vesical leukoplakia were analyzed.

5. Conclusion: The Diomed - 25 laser was proved valuble in treating patients with vocal cord leukoplakia.

6. Objective : To explore the effect of Diomed - 25 semi - conductive laser in treatment of vocal cord leukoplakia.

7. Objective : To study the clinical characteristics and the diagnostic criteria of vesical leukoplakia.

8. In HIV-infected people and AIDS patients in the oral representation, the prevalence of Kaposi's sarcoma-rate second only to candidiasis and hairy leukoplakia have a higher incidence.

9. Aim : To observe the effect of semiconductor laser treatment on vocal cords leukoplakia.

10. Method:DIOMED semiconductor laser is used to treat 39 patients with vocal cords leukoplakia. , selected laser output parameters included contact or no contact, continuous mode, 5W power.

11. Method The histochemical staining and polymerase chain reaction was used to detect oral leukoplakia.