Non-Infectious Inflammatory Disorders of the Nail Apparatus

    April 2009 in “ Journal der Deutschen Dermatologischen Gesellschaft ”
    Eckart Haneke
    TLDR Nail disorders not caused by infection are common and can look similar, with psoriasis being the most frequent and having specific nail symptoms.
    In the document from 2009, it was noted that non-infectious inflammatory diseases of the nail apparatus are relatively common and can manifest with varying appearances, often mimicking each other. Psoriasis was identified as the skin disease most frequently affecting nails, with symptoms such as pitting, salmon spots, and onycholysis serving as diagnostic indicators. Lichen planus was described as potentially affecting nails either in isolation or alongside skin and mucosal lesions, with longitudinal striations and a loss of nail shine being common signs. The document also mentioned that the severity and early onset of alopecia areata tend to increase the likelihood of nail involvement, typically presenting with a rough surface and diminished shine. Additionally, eczemas and various autoimmune dermatoses were recognized as potential causes of nail changes, although their symptoms were not considered to be clinically specific.
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