Revisiting the East-West advancement flap: great for multiple anatomic locations.

Background: The east-west advancement flap is a simple flap traditionally used to repair Mohs surgery defects on the nose. We aim to demonstrate this flap can be used with good cosmetic outcome and minimal complications on a variety of anatomical sites.

Methods: This study was a case series of four patients taking place between March 2021 and September 2021 with 4- to 6-week postoperative follow-up.

Risk of Birth Defects From Vitamin A "Acne Supplements" Sold Online.

Background: Dietary supplements are popular among US consumers and claim to address a variety of conditions, including acne. Acne supplements containing vitamin A are of particular interest, due to the potentially teratogenic effects of vitamin A doses over 10,000 IU.

Objective: This study examined dosage, pregnancy risks, and labeling of vitamin A-containing acne supplements available online.

Diet and Skin Barrier: The Role of Dietary Interventions on Skin Barrier Function.

Multiple research studies have examined the role of specific dietary interventions and their effects on skin barrier function. The skin barrier is one of the body's first lines of protection against environmental insults, and disruption of this natural line of defense can result in xerosis, irritation, chronic dermatitis, and other cutaneous effects. Multiple laboratory, animal, and human studies have demonstrated that certain dietary interventions have the potential to impact skin barrier function.