Yellow nail syndrome Are You Confident of the Diagnosis? What you should be looking for in the history Yellow nail syndrome (YNS) is a rare disorder that was first described in 1964 by Samman and White. The syndrome is characterized by the triad of yellow thick nails, lymphedema and respiratory tract disease. The abnormalities of…
Subungual exostosis (Dupuytren’s subungual exostosis, enchondroma) Are You Confident of the Diagnosis? What you should be looking for in the history Subungual exostosis (SE) is a benign bone and cartilage producing tumor under or adjacent to the nail unit. It was first described by Dupuytren in 1847. The nature of subungual exostosis remains controversial. The…
Are You Confident of the Diagnosis? What you should be looking for in the history The diagnosis of onychomycosis is made based on history, physical examination, and diagnostic studies. Patients with onychomycosis often complain of nail discoloration, brittleness, or thickening, that often becomes worse with time. Nails affected by onychomycosis can cause local pain, social…
