Complication After Pincer Nail Treatment Using a Shape-Memory Alloy

Abstract

Pemphigus refers to a group of rare autoimmune bullous diseases that affect the skin and mucous membranes causing flaccid intraepidermal blisters, erosions, and acantholysis. The 3 major groups of pemphigus are PV, PF, and paraneoplastic pemphigus. Pemphigus vulgaris, the most common form of pemphigus, is caused by IgG autoantibodies directed against desmosomal proteins, specifically desmoglein 3. The presence of IgG autoantibodies against DSG1 and DSG3 can be used to confirm the diagnosis. The mean age of onset is between 40 and 60 years with an equal incidence in men and women. Pemphigus vulgaris occurs at a range of 1 to 5 new cases per million people each year. It occurs with higher prevalence in Ashkenazi Jews and those of the Eastern Hemisphere. 3 A pincer nail deformity can be characterized as an increase in transverse curvature along the longitudinal axis of the nail. This curvature increases from the proximal to distal aspect, leading to pinching of the involved digits, giving the nail a trumpet-like appearance. 1 Major indications for treatment are pain, discomfort wearing shoes, and cosmetic embarrassment.

Pincer Nail Deformity: Clinical Characteristics, Causes, and Managements

“…The device was removed after 10 days but can stay for 2 or 3 weeks depending on the toenail changes [14]. Thereafter, in 2014, Lee et al used this treatment for a single case, and 4 weeks after surgery, skin necrosis developed on the back of the toe [25]. They concluded that it was caused by local infection from self-adherent bandages.…”