Leading dermatologists offered their recommendations on the top sunscreens. See what they’re recommending to their patients and why.

Xerosis is a highly prevalent condition that can be caused by environmental factors, age, or various diseases. Although the causes, symptoms, and severity of dry skin vary widely, moisturizers form the mainstay of treatment in simple cases... More

Onychomycosis, a common nail infection that often is associated with substantial patient distress, disability, and pain, is a challenge to manage successfully. This report presents the case of a 44-year-old man with moderate distal lateral... More

In this retrospective study, we investigated a mysterious acute linear eruption that was reported yearly in 300 Egyptian patients, with peaks in June and September, without a clear diagnosis. The lesions evolved suddenly in all patients... More

Histoplasma capsulatum is a common endemic mycosis. Infection typically goes unnoticed by an individual, but in immunosuppressed patients, it may become disseminated. We report a case of disseminated histoplasmosis occurring 6 weeks... More

Idiopathic calcinosis cutis is an uncommon condition characterized by calcium deposits in the dermis, subcutis, and muscles that most commonly are localized in one area. We report the rare case of a 16-year-old adolescent girl who... More

Shiitake mushroom–induced toxicoderma, or shiitake dermatitis, is a widely recognized phenomenon in Japan, China, and Korea but only recently has been reported outside of Asia. Affected individuals develop a characteristic pattern of... More

Verruciform xanthomas typically present as asymptomatic, flat, solitary papules or plaques on the oral mucosa but also can occur on the genital mucosa and other cutaneous sites. On low-power magnification, they have a verruca vulgaris–like... More

A 66-year-old man presented with lesions growing on the nose of 5 years’ duration. He reported intermittent bleeding and purulent discharge from the lesions but denied any associated pain or pruritus. He was treated for rosacea,... More

Topical insect repellent is commonly used throughout the world. Active ingredients typically include N,N-diethyl-meta-toluamide (DEET) or picaridin. Reactions to topical repellents have ranged from contact dermatitis to urticaria. Exposure... More

A controversial provision of the Patient Protection and Affordable Care Act (PPACA) is the creation of the Independent Payment Advisory Board (IPAB). The IPAB has been lauded by some as instrumental in separating the control of health care... More

Genital ulcerations are a rare clinical finding of Epstein-Barr virus (EBV) infection. We present the case of a 16-year-old adolescent girl who reported the onset of diarrhea, headaches, dysuria, and vaginal discharge along with vulvar... More

There have been 4 innovations in human history that have fundamentally changed the way we communicate: the printing press, the telephone and telegraph, television and radio, and social media (Clay Shirky, oral communication). Simply put,... More