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Papers of the Week


2019 Aug


Skin Appendage Disord


5


5

Seborrheic Dermatitis: Three Novel Trichoscopic Signs and Its Correlation to sp. Colonization.

Authors

Ruiz-Arriaga L F, Arenas R, Vega-Sánchez DC, Asz-Sigall D, Martínez-Velazco M A
Skin Appendage Disord. 2019 Aug; 5(5):288-292.
PMID: 31559252.

Abstract

Seborrheic dermatitis (SD) is a chronic recurrent erythemato-squamous condition that affects seborrheic areas causing flaking, erythema, and pruritus. Etiology is multifactorial and the role of sp.remains controversial. We present a series of 12 patients with trichoscopic and direct microscopic exams We analyzed the presence of the already known SD trichoscopic signs and its correlation to the amount of sp. in the scalp. We describe three novel signs: the "dandelion" vascular conglomerate, the "cherry blossom" vascular pattern, and the intrafollicular oily material; of which the "dandelion" vascular conglomerate was the only trichoscopic sign to correlate with colonization. This study correlates trichoscopic signs in SD and the quantity of sp. We describe three new signs that can be useful to determine indirectly the fungal colonization of the scalp in SD.