{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,30]],"date-time":"2026-10-30T03:28:21Z","timestamp":1793330901577,"version":"4.5.0"},"reference-count":24,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2022,7,5]],"date-time":"2022-07-05T00:00:00Z","timestamp":1656979200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Dermatopathology"],"abstract":"<jats:p>Pityriasis lichenoides is an acute and\/or chronic skin disease associated with recurrent erythematous papules that self-resolve. While its etiology is unknown, preceding viral infection may play a role. We present an atypical case of a 40-year-old woman with pityriasis lichenoides et varioliformis acuta as a complication of a COVID-19 infection.<\/jats:p>","DOI":"10.3390\/dermatopathology9030028","type":"journal-article","created":{"date-parts":[[2022,7,5]],"date-time":"2022-07-05T10:21:33Z","timestamp":1657016493000},"page":"244-250","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Pityriasis Lichenoides et Varioliformis Acuta as a Complication of COVID-19 Infection"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0005-1823","authenticated-orcid":false,"given":"Henriette","family":"De La Garza","sequence":"first","affiliation":[{"name":"Department of Dermatology, Boston University School of Medicine, Boston, MA 02118, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5994-3212","authenticated-orcid":false,"given":"Elie","family":"Saliba","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Boston University School of Medicine, Boston, MA 02118, USA"},{"name":"Department of Dermatology, Brown University, Providence, RI 02903, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Monica","family":"Rosales Santillan","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Boston University School of Medicine, Boston, MA 02118, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6183-8833","authenticated-orcid":false,"given":"Candice","family":"Brem","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Boston University School of Medicine, Boston, MA 02118, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Neelam A.","family":"Vashi","sequence":"additional","affiliation":[{"name":"Department of Dermatology, Boston University School of Medicine, Boston, MA 02118, USA"},{"name":"Boston Health Care System, U.S. Department of Veterans Affairs, Boston, MA 02130, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"557","DOI":"10.1016\/j.jaad.2005.07.058","article-title":"Pityriasis lichenoides and its subtypes","volume":"55","author":"Bowers","year":"2006","journal-title":"J. Am. Acad. Dermatol."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"257","DOI":"10.1111\/j.1365-4632.2008.03915.x","article-title":"Pityriasis lichenoides et varioliformis acuta: A disease spectrum","volume":"49","author":"Fernandes","year":"2010","journal-title":"Int. J. Dermatol."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"29","DOI":"10.2165\/00128071-200708010-00004","article-title":"Pityriasis Lichenoides","volume":"8","author":"Khachemoune","year":"2007","journal-title":"Am. J. Clin. Dermatol."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"360","DOI":"10.1111\/j.1525-1470.2005.22418.x","article-title":"Septic, CD-30 Positive Febrile Ulceronecrotic Pityriasis Lichenoides et Varioliformis Acuta","volume":"22","author":"Herron","year":"2005","journal-title":"Pediatr. Dermatol."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"1021","DOI":"10.1097\/PAS.0b013e31824f4f66","article-title":"Pityriasis Lichenoides et Varioliformis Acuta With Numerous CD30+ Cells","volume":"36","author":"Kempf","year":"2012","journal-title":"Am. J. Surg. Pathol."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"1101","DOI":"10.1097\/PAS.0000000000001093","article-title":"Pityriasis Lichenoides, Atypical Pityriasis Lichenoides, and Related Conditions","volume":"42","author":"Borra","year":"2018","journal-title":"Am. J. Surg. Pathol."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"649","DOI":"10.1111\/j.1600-0560.2011.01717.x","article-title":"Pityriasis lichenoides et varioliformis acuta and pityriasis lichenoides chronica: Comparison of lesional T-cell subsets and investigation of viral associations","volume":"38","author":"Kim","year":"2011","journal-title":"J. Cutan. Pathol."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"1483","DOI":"10.1001\/archderm.136.12.1483","article-title":"T-Cell Clonality in Pityriasis Lichenoides et Varioliformis Acuta","volume":"136","author":"Dereure","year":"2000","journal-title":"Arch. Dermatol."},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"1185","DOI":"10.1111\/pde.14777","article-title":"Papulo-purpuric dermatitis of childhood: A distinct PLEVA-like eruption associated to SARS-CoV-2 infection. Clinical, histopathological and immunohistochemical study of 10 cases","volume":"38","author":"Gianotti","year":"2021","journal-title":"Pediatr. Dermatol."},{"key":"ref_10","doi-asserted-by":"crossref","unstructured":"Durusu, I.N., Gurel, G., and Tokyol, C. (2021). Un caso de pitiriasis liquenoide cr\u00f3nica en una paciente infectada por COVID-19. Actas Dermosifiliogr.","DOI":"10.1016\/j.ad.2021.09.002"},{"key":"ref_11","first-page":"e327","article-title":"Pityriasis lichenoides et varioliformis acuta following COVID-19 mRNA vaccination","volume":"36","author":"Talve","year":"2022","journal-title":"J. Eur. Acad. Dermatol. Venereol."},{"key":"ref_12","first-page":"e172","article-title":"Lymphomatoid drug reaction developed after BNT162b2 (Comirnaty) COVID-19 vaccine manifesting as pityriasis lichenoides et varioliformis acuta-like eruption","volume":"36","author":"Sernicola","year":"2021","journal-title":"J. Eur. Acad. Dermatol. Venereol."},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"e15445","DOI":"10.1111\/dth.15445","article-title":"The first case report of Pityriasis lichenoides chronica following COVID -19 mRNA vaccination","volume":"35","author":"Dawoud","year":"2022","journal-title":"Dermatol. Ther."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1111\/ced.14970","article-title":"Abrupt onset of Sweet syndrome, pityriasis rubra pilaris, pityriasis lichenoides et varioliformis acuta and erythema multiforme: Unravelling a possible common trigger, the COVID-19 vaccine","volume":"47","author":"Sechi","year":"2021","journal-title":"Clin. Exp. Dermatol."},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"26","DOI":"10.1016\/j.jdcr.2021.11.021","article-title":"(.; Guitart, J. Rare lymphomatoid reactions following SARS-CoV-2 vaccination","volume":"20","author":"LeWitt","year":"2021","journal-title":"JAAD Case Rep."},{"key":"ref_16","first-page":"e431","article-title":"Pityriasis lichenoides et varioliformis acuta after SARS-CoV-2 infection and relapse after vaccination","volume":"36","author":"Jeskanen","year":"2022","journal-title":"J. Eur. Acad. Dermatol. Venereol."},{"key":"ref_17","doi-asserted-by":"crossref","unstructured":"Filippi, F., Baraldi, C., Zinzani, P., Casadei, B., and Pileri, A. (2022). A case of pityriasis lichenoides et varioliformis acuta developed after first dose of Oxford\u2013AstraZeneca COVID -19 vaccine. J. Eur. Acad. Dermatol. Venereol.","DOI":"10.1111\/jdv.18269"},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1111\/cup.12653","article-title":"Commentary about papular mycosis fungoides, lymphomatoid papulosis and lymphomatoid pityriasis lichenoides: More similarities than differences","volume":"43","author":"Vonderheid","year":"2015","journal-title":"J. Cutan. Pathol."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"471","DOI":"10.1016\/j.det.2019.05.005","article-title":"Lymphomatoid Papulosis and Other Lymphoma-Like Diseases","volume":"37","author":"Moy","year":"2019","journal-title":"Dermatol. Clin."},{"key":"ref_20","first-page":"e98","article-title":"Histopathological findings in COVID-19-induced cutaneous lesions. Clinicopathological correlation of SARS-CoV-19 dermatologic patterns: Review of the literature","volume":"62","year":"2020","journal-title":"Australas. J. Dermatol."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"2039","DOI":"10.1111\/jdv.15813","article-title":"A systematic review of treatments for pityriasis lichenoides","volume":"33","author":"Bellinato","year":"2019","journal-title":"J. Eur. Acad. Dermatol. Venereol."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"971","DOI":"10.1111\/j.1468-3083.2008.03077.x","article-title":"Successful association in the treatment of pityriasis lichenoides et varioliformis acuta","volume":"23","author":"Balato","year":"2009","journal-title":"J. Eur. Acad. Dermatol. Venereol."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"524","DOI":"10.1016\/j.jaad.2006.07.031","article-title":"Rapid resolution of pityriasis lichenoides et varioliformis acuta with azithromycin","volume":"58","author":"Skinner","year":"2008","journal-title":"J. Am. Acad. Dermatol."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"1033","DOI":"10.1111\/j.1365-2133.2004.05920.x","article-title":"Successful treatment of pityriasis lichenoides with topical tacrolimus","volume":"150","author":"Simon","year":"2004","journal-title":"Br. J. Dermatol."}],"container-title":["Dermatopathology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2296-3529\/9\/3\/28\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,10]],"date-time":"2025-10-10T23:42:59Z","timestamp":1760139779000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2296-3529\/9\/3\/28"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,7,5]]},"references-count":24,"journal-issue":{"issue":"3","published-online":{"date-parts":[[2022,9]]}},"alternative-id":["dermatopathology9030028"],"URL":"https:\/\/doi.org\/10.3390\/dermatopathology9030028","relation":{},"ISSN":["2296-3529"],"issn-type":[{"value":"2296-3529","type":"electronic"}],"subject":[],"published":{"date-parts":[[2022,7,5]]}}}