Susanne Kroon

21.01.2011: Systemic treatment, usually with tetracyclines, often in combination with local treatment, is necessary in moderate to severe acne. If this has no effect, especially with severe and scar-forming acne, the patient should be referred to a dermatologist for assessment of treatment with isotretinoin...

07.01.2011: Local treatment of acne vulgaris is particularly relevant in mild and moderate cases. In cases of comedoacne, local retinoids, for example adapalene, are recommended, because of the keratolytic properties of these drugs. In cases of mild papulopustular acne, local retinoids can be combined with an...

14.02.2008: Allergic contact eczema is a T cell-mediated immune response, often referred to as a type IV allergy. Haptens in the skin are transported by Langerhans cells and presented to CD4 and CD8 positive T cells in the lymph nodes, thereby activating and regulating these T cells. The patch test is an...