Pincer Nail Deformity in an African American Patient Corrected by Fractionated Carbon Dioxide Laser
Introduction
Pincer nail deformity is a painful nail condition characterized by excessive transverse curvature of the nail plate that pinches the surrounding tissue.1 This condition primarily involves the toenail of the hallux and is more frequently observed in older individuals.1 Management of a pincer nail typically involves nail braces or surgical removal.1 These managements usually fall sh …
Introduction
Pincer nail deformity is a painful nail condition characterized by excessive transverse curvature of the nail plate that pinches the surrounding tissue.1 This condition primarily involves the toenail of the hallux and is more frequently observed in older individuals.1 Management of a pincer nail typically involves nail braces or surgical removal.1 These managements usually fall sh … 
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A 7-year-old boy presents with recurrent crops of pink papules on the trunk, buttocks, and proximal extremities, as shown in the clinical image. The lesions ulcerate and heal with varioliform scarring. Which of the following histologic findings would not be expected in this condition?
A. Lichenoid infiltrate
B. Extravasation of red blood cells
C. Dyskeratosis
D. Parakeratosis
E. … 
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