Skin Disorders Case

A 15-year-old girl presents with redness and scaling of her eyebrows and alar creases.
Skin Disorders Case
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A 15-year-old girl presents with redness and scaling of her eyebrows and alar creases. No itching is reported. She applies moisturizers without benefit.

What is the most likely diagnosis?

A. Allergic contact dermatitis.

B. Atopic dermatitis.

C. Irritant contact dermatitis.

D. Psoriasis.

E. Seborrheic dermatitis. 

The correct answer is “E.” Seborrheic dermatitis may be present in infancy as “cradle cap.” It is acquired at birth with exposure to yeast during vaginal delivery. The yeast remains part of the normal flora throughout life. Outbreaks of seborrheic dermatitis may reoccur at puberty and beyond. While most patients believe they have dry skin, the scale is typically yellow and moist in character. Commonly affected sites include scalp, postauricular sulci, eyebrows, glabella, alar creases, chin, chest, axillae, and groin. 

Sources:

Question & Explanation: Peterson AR, Wood KE. Pediatrics Examination and Board Review. New York, NY: McGraw-Hill Education; 2017.

Photo: Section 12 Papulosquamous Diseases, Prose NS, Kristal L. Weinberg's Color Atlas of Pediatric Dermatology, 5e; 2017. 

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