[Clinical analysis of 193 patients with thickening and nodular port wine stains].

Purpose: The purpose of this study is to investigate the relation between age, gender and thickening and nodules in port wine stains(PWS) patients.

Methods: The gender and age of 193 cases with port wine stains were compared between those with flat, those with thickening, those with thickening and nodules, in 0-19, 20-year age group. SAS6012 software package was used for Fisher's exact test and Kruskal-Wallis test.

[Treatment of 113 oral and maxillofacial hemangiomas with long pulsed turnable 1064 nm Gentle YAG laser].

Purpose: To evaluate the clinical therapeutic efficacy on hemangioma of oral maxillofacial regions using pulsed Gentle YAG laser.

Methods: Since April 2005 to August 2005, 113 cases of oral and maxillofacial hemangiomas were treated using pulsed Gentle YAG laser 1064 nm wavelength in our department. Minimal coagulation laser dosage was defined and used to avoid side effects such as thermal skin damage.