Lichen planopilaris

From dermoscopedia

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 Editor: Anna Waskiel Burnat

 Author(s): Anna Waskiel Burnat     ·  Lidia Rudnicka     ·  Adriana Rakowska
Description This chapter describes the dermoscopyThe examination of [skin lesions] with a 'dermatoscope'. This traditionally consists of a magnifier (typically x10), a non-polarised light source, a transparent plate and a liquid medium between the instrument and the skin, and allows inspection of skin lesions unobstructed by skin surface reflections. Modern dermatoscopes dispense with the use of liquid medium and instead use polarised light to cancel out skin surface reflections. aspect of lichen planopilarisThis glossary term has not yet been described.
Author(s) Anna Waskiel Burnat · Lidia Rudnicka · Adriana Rakowska
Responsible author Anna Waskiel Burnat→ send e-mail
Status released
Status update April 4, 2019
Status by Ralph P. Braun


The most common trichoscopic features of classic lichen planopilaris include the absence of follicular openings, perifollicular scaling and white cicatricial areas. Other common trichoscopic findings are perifollicular erythema, milky-red areas, classic white and blue-grey dots (1, 2) (3).
In frontal fibrosing alopecia, perifollicular scaling, the absence of follicular openings, perifollicular erythema, white cicatricial areas, blue-grey and classic white dots are most commonly observed (1, 2). Milky-red areas are not observed in trichoscopic examination (2).
Perifollicular scaling and perifollicular erythema are considered as markers of diseaseThis glossary term has not yet been described. activity. Perifollicular erythema and white cicatricial areas are associated with disease severity (1).

Trichoscopic Feature Classic lichen planopilaris

Mean frequency in %* (reported prevalence**)

Frontal fibrosing alopecia

Mean frequency in %* (reported prevalence**)

Perifollicular erythema 43 (0 – 88) 68 (0 – 100)
Perifollicular scaling 85 (38 – 100) 84 (42 – 90)
Classic white dots 32 (0 – 100) 13 (0 – 50)
Milky-red areas 33 (14 – 100) Not reported
White cicatricial areas 84 (0 – 100) 26 (20 – 100)
Absence of follicular openings 99 (75 – 100) 82 (52 –100)
Blue-grey dots 32 (0 – 56) 25 (0 – 50)


TrichoscopyThis glossary term has not yet been described. of lichen planopilaris with presence of perifollicular, white scaling and milky-red areas with absence of follicular openings.