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The administration of appropriate doses of active ingredients and excipients is crucial for achieving desired treatment outcomes in pediatric dermatology. A number of factors need to be considered, including the characteristics of the lesion, the patient, and the drug. An additional challenge in pediatric settings is the limited number of commercially available formulations suitable for use in children. Drug compounding, which is the preparation of medications tailored to the needs of individual patients, is a good alternative for pediatric populations for a number of reasons. Using a customized compound, the clinician can prescribe formulations that contain the optimal dose of the active ingredients within acceptable limits and the most suitable vehicle and formulation components. Compounding can also be used to combine several active ingredients in a single medication and even adapt the vehicle to the characteristics of the lesion and the needs of the patient. The pharmaceutical formulations described in this review are based on extensive clinical experience and can be customized to meet individual needs.

In recent years, the growing interest in the role played by vitamin D in skin disease has given rise to the publication of many studies of the relationship between this vitamin and certain skin conditions. As dermatologists, we need to understand, among other aspects, how vitamin D is synthesized and the main sources in humans, as well as plasma levels and the factors that can modify them. Of particular interest are the latest discoveries about the role of vitamin D in skin diseases such as lupus erythematosus, ichthyosis, atopic dermatitis, hidradenitis suppurativa, acne, alopecia areata, androgenetic alopecia, melanoma, and nonmelanoma skin cancer. Also of interest is the importance of vitamin D as adjuvant therapy in patients on long-term treatment with corticosteroids. In this review, we provide an overview of the most important and most recent information regarding the relationship between vitamin D and skin disease and discuss the importance of assessing individual vitamin D status and correcting deficiencies.

In vivo reflectance confocal microscopy (RCM) is a non-invasive imaging tool that allows real-time visualization of cells and structures in living skin with near histological resolution. RCM has been used for the assessment of benign and malignant lesions, showing great potential for applications in basic skin research and clinical dermatology. RCM also reveals dynamic changes in the skin over time and in response to specific stimuli, like ultraviolet exposure, which makes it a promising tool in cosmetology, as it allows repetitive sampling without biopsy collection, causing no further damage to the areas under investigation. This review summarizes the latest advances in RCM, and its applications in the characterization of both normal and pathological skin.

Our patient was a 37-year-old male with palpebral mycosis fungoides, the most common T-cell cutaneous lymphoma. He had been treated previously with topical corticosteroids. We treated him with Imiquimod cream (5%) three times a week.A clinical improvement was obtained with this drug, so we believe immuno-modulating agents need to be considered in the treatment of palpebral mycosis fungoides, especially because of its capacity of being a reflection of leukaemia.