Hair Loss – Friday Pop Quiz 10/13/2023
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-colored papules are present throughout the forehead. Of note, t …
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-colored papules are present throughout the forehead. Of note, t … 
A 14-year-old child is brought to the dermatologist for evaluation of facial skin lesions, as shown. The child has a history of developmental disability and seizure disorder. A mutation in a protein that results in modification of which of the following processes is implicated in the patient’s condition?
A. Cellular metabolism
B. Cellular proliferation
C. Intercellular transport
… 
An elderly man presents with generalized erythroderma, as shown. Upon standing, only the patient’s abdominal creases are spared from erythroderma. The patient has peripheral eosinophilia. Which of the following is the most likely diagnosis?
A. Drug reaction with eosinophils and systemic symptoms (DRESS)
B. Mastocytosis
C. Papuloerythroderma of Ofuji
D. Pityriasis rubra pilaris
… 
A 68-year-old man presents to the office for pruritic lesions on his trunk. He recently was initiated on a medication for metastatic melanoma. Which of the following is the most appropriate medication for the management of this patient?
A. Dupilumab
B. Etanercept
C. Oral terbinafine
D. Topical corticosteroid
E. Topical ketoconazole
To find out the correct answer and read the ex … 