Photoaggravated allergic contact dermatitis and transient photosensitivity caused by methylisothiazolinone.

Background: Photoaggravated allergic contact dermatitis caused by methylchloroisothiazolinone (MCI)/methylisothiazolinone (MI) and MI has been reported.

Objectives: To describe the clinical characteristics and results of (photo)patch tests and photo-tests of 10 patients in Belgium and France suffering from photoaggravated contact dermatitis caused by MI.

Patients And Methods: Five men and five women, with a median age of 49.

DLQI as a major criterion for introduction of systemic agents in patients with mild psoriasis.

Background: Psoriasis is a skin inflammatory chronic disease with negative physical, psychological and social repercussions for those affected. However, patients suffering from mild disease also complain about negative impact on their quality of life, making it difficult for physicians to choose the best treatment strategy.

Objectives: Understanding the impact of systemic treatments on Quality of Life (QoL) in patients with mild psoriasis in daily practice.