This concise text presents the essential points of diagnosis and a quick guide to what are currently the best evidence-based practices in treatment methods. In addition to material on the diseases themselves, there are useful appendices on how to carry out ancillary procedures.Contents: Acute paronychia * Bowen disease * Brittle nails * Chronic paronychia * Eczema * Erythronychia * Glomus tumor * Hematomas * Herpes simplex * Ingrowing nail * Lichen planus * Melanoma * Melanonychias * Myxoid cysts * Onycholysis * Onychomatricoma * Onychomycosis * Onychotillomania * Psoriasis * Retronychia * Squamous cell carcinoma * Subungual exostosis * Trachyonychia * Transverse overcurvature * Warts * Yellow nail syndrome * Practical procedures * Preparing a biopsy specimen