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Title: Diagnosis using nail matrix. Author: Richert B, Caucanas M, André J. Journal: Dermatol Clin; 2015 Apr; 33(2):243-55. PubMed ID: 25828714. Abstract: Diagnosing nail matrix diseases requires knowledge of the nail matrix function and anatomy. This allows recognition of the clinical manifestations and assessment of potential surgical risk. Nail signs depend on the location within the matrix (proximal or distal) and the intensity, duration, and extent of the insult. Proximal matrix involvement includes nail surface irregularities (longitudinal lines, transverse lines, roughness of the nail surface, pitting, and superficial brittleness), whereas distal matrix insult induces longitudinal or transverse chromonychia. Clinical signs are described and their main causes are listed to enable readers to diagnose matrix disease from the nail's clinical features.[Abstract] [Full Text] [Related] [New Search]