Treatment using a long pulsed nd:yag laser with a pulsed dye laser for four cases of blebbed port wine stains.

Port wine stains (PWS) are congenital capillary malformations consisting of ectasia of capillaries and venules. At birth,lesions are flat and relatively uniform in color, but evolve with age to become raised, thickened, irregularly surfaced, and deeply colored. Therefore, it is considered optimal to begin treatment of patients at an early age.

A clinical and histopathological study of 122 cases of dermatofibroma (benign fibrous histiocytoma).

Background: Many variants of dermatofibromas have been described, and being aware of the variants of dermatofibromas is important to avoid misdiagnosis.

Objective: We wanted to evaluate the clinical and pathologic characteristics of 122 cases of dermatofibromas.

Methods: We retrospectively reviewed the medical records and 122 biopsy specimens of 92 patients who were diagnosed with dermatofibroma in the Department of Dermatology at Eulji Hospital of Eulji University between January 2000 and March 2010.

Successful treatment of argyria using a low-fluence Q-switched 1064-nm Nd:YAG laser.

Background: Argyria is a rare skin disease caused by cutaneous deposits of silver granules as a result of exposure to silver substrates or ingestion of silver salt. This pigmentation change causes cosmetic problems, and there was previously no recognized effective treatments for argyria.

Objective: To evaluate the treatment effect of a low-fluence Q-switched 1064-nm Nd:YAG laser on argyria.