Nail Psoriasis & Nail Lichen Planus: Updates on Diagnosis & Management.

Inflammatory diseases of the nail, including nail psoriasis and nail lichen planus, are associated with significant disease burden and have a negative impact on quality of life. Diagnosis is often delayed, especially when patients present without cutaneous findings. Therefore, recognizing clinical signs and symptoms of inflammatory nail diseases, and initiating timely and appropriate treatment, is of utmost importance. Herein, we review recent studies on diagnostic techniques, including dermoscopy, capillaroscopy, and ultrasound, and discuss severity grading and scoring systems. We review consensus treatment recommendations for nail psoriasis, and recent psoriatic therapeutics studied for nail outcomes, including brodalumab, tildrakizumab, risankizumab, deucravacitinib, and bimekizumab. We review consensus treatment recommendations for nail lichen planus, as well as emerging treatments, including JAK inhibitors. We emphasize the need for increased awareness and expanded management strategies for inflammatory nail diseases to improve patient outcomes.

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