10.5826/dpc.1301a6
text/xml
2160-9381
2306
en
Nicola  Di Meo
https://creativecommons.org/licenses/by-nc/4.0
Dermatology Practical & Conceptual
rash
Lichen Striatus Post-COVID-19 Infection: Clinical and Dermoscopic Presentations
Text.Serial.Journal
https://dpcj.org/index.php/dpc
Letter to the Editor
2023-01-31
2022-01-14
2023-01-31
2023-03-01
e2023006
Dermatol Pract Concept
Nicola  Di Meo
2023/01/31
10.5826/dpc.1301a6
e2023006
Dermatology Clinic of Trieste, Maggiore Hospital, University of Trieste, Trieste, Italy
2160-9381
rash
en
e2023006
Charifa A, Jamil RT, Ramphul K. Lichen Striatus. In: StatPearls. Treasure Island (FL): StatPearls Publishing; October 12, 2021.
Lichen Striatus Post-COVID-19 Infection: Clinical and Dermoscopic Presentations
https://dpcj.org/index.php/dpc/article/download/2306/1919
     Lichen Striatus Post-COVID-19 Infection: Clinical
             and Dermoscopic Presentations
                    Filippo Chersi1, Claudio Conforti1, Iris Zalaudek1, Nicola di Meo1


1 Dermatology Clinic of Trieste, Maggiore Hospital, University of Trieste, Trieste, Italy



Key words: Lichen striatus, COVID-19, infection, rash
Citation: Chersi F, Conforti C, Zalaudek I, di Meo N. Lichen Striatus Post-COVID-19 Infection: Clinical and Dermoscopic Presentations.
Dermatol Pract Concept. 2023;13(1):e2023006. DOI: https://doi.org/10.5826/dpc.1301a6
Accepted: April 23, 2022; Published: January 2023
Copyright: ©2023 Chersi et al. This is an open-access article distributed under the terms of the Creative Commons Attribution-
NonCommercial License (BY-NC-4.0), https://creativecommons.org/licenses/by-nc/4.0/, which permits unrestricted noncommercial use,
distribution, and reproduction in any medium, provided the original authors and source are credited.
Funding: None.
Competing Interests: None.
Authorship: All authors have contributed significantly to this publication.
Corresponding Author: Claudio Conforti, MD, Dermatology Clinic of Trieste, Maggiore Hospital, University of Trieste, Trieste, Italy.
Phone: +390403992056 E-mail: claudioconforti@yahoo.com




Case Presentation                                                          recovery. However, because this patient sought treatment, a
                                                                           short course of topical steroids together with antihistamines
A 24-year-old female with classic symptoms for COVID-19                    were prescribed to treat the itch and dryness of the skin. After
underwent a rhino-pharyngeal swab test in October 2020                     6 weeks the patient had no more signs of active disease, and
that confirmed the infection. She had been previously vacci-               no post-inflammatory hypopigmentation was observed. Usu-
nated with two Pfitzer vaccine doses in July. Nine days after              ally relapses of this condition are uncommon.
the positive rhino-pharyngeal swab test, the patient came in
consultation with small, 1-2 mm elevated pinkish papules
                                                                           Teaching Point
that joined together in a slightly scaly, irregular, linear band
of about 20 cm following Blaschko lines on the medial por-                 Few papers have reported LS after COVID-19 vaccination
tion of the left leg (Figure 1, A and B). The patient reported             [1], but this case shows that also COVID-19 infection could
that the rash had appeared 2 days after COVID-19 symptoms                  be a trigger, although pathophysiological mechanisms and
started and that it caused her moderate pruritus. Dermoscopy               causes underlying this condition are still not completely
showed a slight erythematous pinkish background and con-                   understood.
fluent areas of telangiectatic vessels, ruling out other diseases              Being a benign self-limiting condition, usually no treat-
(eg ILVEN, linear psoriasis or linear Darier disease) (Figure 1,           ment is required, although low doses of systemic cortico-
C and D). A 4-mm punch confirmed the clinical suspicion of                 steroids or topical corticosteroids can contribute to provide
LS. LS has a self-limiting nature, with an expected complete               some benefits in symptomatic patients [2].




Image Letter | Dermatol Pract Concept. 2023;13(1):e2023006                                                                               1
    Figure 1. (A,B) Clinical presentation of lichen striatus post-COVID-19 infection: elevated pinkish papules of 1-2 mm joining to-
    gether in a slightly scaly, irregular, linear band that follows the Blaschko lines on the medial portion of the left leg. (C,D) ­Dermoscopy
    shows a slight erythematous pinkish background with confluent areas of telangiectatic vessels.




References                                                                   2. Charifa A, Jamil RT, Ramphul K. Lichen Striatus. In: StatPearls.
                                                                                Treasure Island (FL): StatPearls Publishing; October 12, 2021.
1. Conforti C, Dianzani C, Agozzino M, et al. Cutaneous Mani-
   festations in Confirmed COVID-19 Patients: A Systematic
   Review. Biology (Basel). 2020;9(12):449. DOI:10.3390/biol-
   ogy9120449. PMID: 33291502. PMCID: PMC7762103.




2                                                                                  Image Letter | Dermatol Pract Concept. 2023;13(1):e2023006
