Botulinum Toxin in the Long-Term Treatment of Refractory Raynaud’s Phenomenon
Raynaud’s phenomenon is an exaggerated physiological response of blood vessels in the distal extremities to emotional stress and cold. It can be idiopathic or secondary to a connective tissue disorder, such as scleroderma or systemic lupus erythematosus. Treatment for Raynaud’s phenomenon consists primarily of lifestyle modifications; if unsuccessful, pharmacotherapy with dihydropyridine calci …
Raynaud’s phenomenon is an exaggerated physiological response of blood vessels in the distal extremities to emotional stress and cold. It can be idiopathic or secondary to a connective tissue disorder, such as scleroderma or systemic lupus erythematosus. Treatment for Raynaud’s phenomenon consists primarily of lifestyle modifications; if unsuccessful, pharmacotherapy with dihydropyridine calci … Continue reading "Botulinum Toxin in the Long-Term Treatment of Refractory Raynaud’s Phenomenon"
During the 2021 Virtual Skin of Color Update conference, Dr. Valerie Callender, a well-known leader, pioneer in dermatology, and expert in the field of skin of color, introduced us to scarring alopecia. The title of her talk says it all: “Central Centrifugal Cicatricial Alopecia (CCCA) and Androgenetic Alopecia (AGA): Diagnostic and Treatment Approaches.”
To spoil the party, here are the … 
Pustular psoriasis can present quickly and pose a life-threatening emergency. Acitretin is the only systemic retinoid FDA-approved for treatment of psoriasis, specifically both pustular and severe plaque-type psoriasis.1Systemic retinoids such as acitretin are utilized heavily in dermatology, and practitioners must be knowledgeable about all of the FDA-approved and off-label applications as well a … 
Everyday Health recently wrote an article about eye health in people with psoriasis. According to the article, about 10 percent of psoriasis patients develop problems with their eyes, including uveitis, blepharitis, conjunctivitis and iritis.
For tips on how to best care for and advise psoriasis patients, I reached out to George Han, MD, PhD, director of clinical dermatology and teledermat … 
What immunohistochemical stain is most likely to be positive in this condition?
A. HPV
B. HHV-8
C. PAS
D. S100
E. CD207
To find out the correct answer and read the explanation, click here.
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