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 … 
INTRODUCTION
Alopecia universalis is a type of alopecia areata (AA) characterized by total body hair loss. The mechanism of this loss is primarily due to autoimmune disruption of the hair follicle. AA has historically been treated with corticosteroids, minoxidil, and other immune therapies that possess limited efficacy with high recurrence rates and adverse effects.1 However, in recent years the … 
The association between vitiligo and melanoma is complex. While the incidence of vitiligo in patients with melanoma is higher, the risk for the reverse, ie, the development of melanoma in a patient with vitiligo, is thought to be decreased. This report presents a case of melanoma developing on a non-sun-exposed site in a patient with skin of color and untreated vitiligo. It emphasizes the need … 
JDD authors Deepika Narayanan, MD and Stephen K. Tyring, MD, PhD, MBA present a case of a patient with a 10-year history of blue-black macules and patches on the face and an associated history of skin- lightening cream usage. The skin lightening cream contained hydroquinone, which is often associated with exogenous ochronosis (EO). Interestingly, the biopsy did not show characteristic findings of … 
INTRODUCTION
Melanoma accounts for only 1% of all skin cancers but is responsible for most skin cancer-related deaths.1 Acral and mucosal melanoma (AMM) accounts for only 4% of all new melanomas but is associated with poorer prognosis.2 Patients of color are disproportionately affected by AMM. Elucidating the clinical, genetic, and environmental features of AMM can guide advancements in the … 