Psoriasis is a common chronic relapsing autoimmune skin disease in dermatology. For patients with mild plaque psoriasis, drug therapy often achieves satisfactory results. However, moderate to severe psoriasis often involves the entire body, and drug therapy has limited efficacy and is prone to relapse. Therefore, in recent years, there has been a growing interest in narrowband ultraviolet B (NB-UVB) phototherapy for moderate to severe psoriasis. NB-UVB irradiation is considered a safe and reliable treatment for psoriasis.

This informative article explores the causes and challenges of vitiligo on the hands, a condition that can be psychologically burdensome and difficult to treat. Factors like trauma, UV exposure, chemical contact, and trace element deficiency contribute to its onset. The mechanism involves immune-mediated melanocyte destruction by T lymphocytes. Treatment options, including medication and 308nm excimer laser therapy, are discussed. Lifestyle recommendations for prevention are provided, emphasizing a positive mindset, balanced diet, regular exercise, and avoidance of triggering factors. Understanding and addressing hand vitiligo's complexities are essential for patients and professionals alike.

Learn about UV phototherapy as an effective treatment for vitiligo in this informative article. Discover the principles of 308nm excimer laser, dosage adjustment, common Q&A, and precautions during treatment. Explore the suitability of UV phototherapy for different types of vitiligo and understand its mechanisms and potential side effects. This article provides valuable insights for individuals seeking effective solutions to manage vitiligo using ultraviolet light therapy.