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Visual Treats in Dermatology
2023
:3;
101
doi:
10.25259/CSDM_113_2023

Lichen nitidus with koebnerization

Department of Dermatology, All India Institute of Medical Sciences Bilaspur, Bilaspur, Himachal Pradesh, India
Corresponding author: Manju Daroach, Department of Dermatology, All India Institute of Medical Sciences Bilaspur, Bilaspur, Himachal Pradesh, India. dr.manju.derma@aiimsbilaspur.edu.in
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This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, transform, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

How to cite this article: Dhiman A, Daroach M. Lichen nitidus with koebnerization. CosmoDerma 2023;3:101.

A 10-year-old girl presented with multiple slightly pruritic lesions over upper limbs, neck, and trunk. On examination, there were multiple shiny flat-topped hypopigmented to mildly violaceous papules few present in linear pattern exhibiting Koebner phenomenon (black arrow) distributed over above mentioned sites [Figure 1]. Dermoscopy [Figure 2] demonstrates multiple, white, and well-defined circular areas (black arrow) with whitish scales (yellow arrow) along with central brown shadow (red arrow) within white circular areas which are a dermoscopic marker and alleviate the need for biopsy in children.

Figure 1:
Multiple shiny flat-topped hypopigmented to mildly violaceous papules few present in linear pattern exhibiting Koebner (black arrow) phenomenon over upper limbs, trunk, and neck.
Figure 2:
Dermoscopy (DermLite DL4; 3Gen; San Juan Capistrano, California, USA, noncontact polarized mode, ×10 magnification) showed multiple, white, and well-circular areas (black arrow) with whitish scales (yellow arrow), along with central brown shadow (red arrow) within white circular areas.

Lichen nitidus is a benign skin condition characterized by the presence of tiny, flat-topped, and skin-colored papules.[1] Typical histology includes “claw and ball appearance.”[1] The differential diagnosis for this condition includes lichen planus, verruca, lichen spinulosus and phrynoderma, and keratosis pilaris.[2]

Treatment options include topical corticosteroids; topical calcineurin inhibitors may be prescribed to reduce inflammation and itching. Phototherapy and oral medications such as steroids, acitretin, low-dose cyclosporine, and itraconazole may also be considered in more severe or widespread cases.[2]

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent.

Conflicts of interest

There are no conflicts of interest.

Financial support and sponsorship

Nil.

References

  1. , . Lichen nitidus In: StatPearls. Treasure Island, FL: StatPearls Publishing; .
    [Google Scholar]
  2. , . Lichen nitidus and lichen striatus In: Fitzpatrick’s Dermatology (9th ed). United States: McGraw-Hill Education; . p. :554-8.
    [Google Scholar]

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