Skin nontumor
Lichenoid and interface reaction patterns
Lichen striatus
Last author update: 1 August 2011
Last staff update: 10 November 2020
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PubMed Search: Lichen striatus
Table of Contents
Definition / general | Clinical features | Treatment | Clinical images | Microscopic (histologic) description | Microscopic (histologic) imagesCite this page: Hamodat M. Lichen striatus. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/skinnontumorlichenstriatus.html. Accessed September 30th, 2023.
Definition / general
- Small papules that expand over time to form bands or streaks, then disappear
- Usually affects extremities of children in spring and summer
- Case clustering has been documented
Clinical features
- Solitary unilateral, erythematous flesh colored lichenoid or sometimes psoriasiform scaly papule, which coalesce into a continuous or interrupted or curved bands
Treatment
- Self limiting, disappears within months or a year of onset
Clinical images
Images hosted on other servers:
Lichen striatus
Microscopic (histologic) description
- Spongiosis and vacuolar interface change; also acanthosis and parakeratosis
- Dermal lymphohistiocytic infiltrate around superficial and deep vessels and around adnexa
Microscopic (histologic) images
Images hosted on other servers:
Various images
