Friday Pop Quiz 6/20/2025
A healthy 50-year-old patient presents with three-month history of progressive hair loss and scalp redness with associated pruritus. On closer scalp examination, there is perifollicular erythema, inflammation, and scaling. There appears to be loss of follicular openings in the erythematous patch. In addition, erythematous and skin-col …
A healthy 50-year-old patient presents with three-month history of progressive hair loss and scalp redness with associated pruritus. On closer scalp examination, there is perifollicular erythema, inflammation, and scaling. There appears to be loss of follicular openings in the erythematous patch. In addition, erythematous and skin-col … 
As dermatologists, we recognize that chronic itch is a complex and often debilitating condition that significantly impacts our patients' quality of life, affecting their physical health, mental well-being, and daily activities. Chronic itch can be especially challenging to diagnose and treat, particularly in patients with skin of color, who may experience unique clinical manifestations and complic … 
Do you ever wonder what’s in the tool box of an itch expert like Baltimore dermatologist Dr. Shawn Kwatra? Next Steps in Derm, in partnership with ODAC Dermatology, Aesthetic & Surgical Conference, interviewed Dr. Kwatra, who outlined the therapies he uses, including injections, topicals and oral pills. Watch as Dr. Kwatra outlines why determining the type of itch is imperative to selecting … 
HealthCentral recently highlighted new research out of Harvard Medical School on the role of Staphylococcus aureus (S. aureus) in itch. Researchers found S. aureus can trigger itch in mice and human cells through communication with sensory neurons.
For an expert’s take, I reached out to Gil Yosipovitch, MD, professor, Stiefel Chair of Medical Dermatology and director of the Miami Itch Center … 
Mastocytosis is a group of disorders characterized by the pathologic accumulation of mast cells in various tissues. One example of mastocytosis is urticaria pigmentosa, which presents with mastocytomas that can cause hives and, when irritated, pruritus. To the authors' knowledge, they are describing the first case of urticaria pigmentosa without pruritus. The patient had a positive Darier' … 