Pityriasis alba

Visual Diagnosis Support Tool: this tool displays a image of pityriasis alba and classifies the characteristic manifestations of this condition. Additionally, it provides summarized information about pityriasis alba, including its usual location, differential diagnosis, treatment, and guidance.

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Last update:2025-03-03

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Image

Selected features

[CC BY 4.0] Siegfried, E.C.; Hebert, A.A. Diagnosis of Atopic Dermatitis: Mimics, Overlaps, and Complications. J. Clin. Med. 2015, 4, 884-917. https://doi.org/10.3390/jcm4050884

Localization. Face
Erythematous lesion? Non-erythematous lesion
Evolution time. Chronic: more than 2 weeks
Skin lesion. Flat: macule or spot
Surface texture. Normal/smooth
Edges. Poorly defined
Color. Due to depigmentation: white
Distribution of lesions. Discreet/isolated injury: 1 to 5 injuries
Associated symptoms.
Additional information.

https://www.ncbi.nlm.nih.gov/books/NBK431061/#article-27253.s2