{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T14:59:56Z","timestamp":1776697196646,"version":"3.51.2"},"reference-count":8,"publisher":"BMJ","issue":"4","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2026,4,3]]},"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:p>Lichenoid pseudovesicular papular eruption of the nose (LIPEN) is an uncommon and often overlooked facial dermatosis characterised by monomorphic papules with a pseudovesicular appearance, predominantly affecting the nasal dorsum and adjacent centrofacial areas. Owing to its clinical resemblance to several inflammatory and granulomatous dermatoses, it is frequently misdiagnosed, leading to delayed recognition and inappropriate management for a long term. We report a patient presenting with chronic, asymptomatic centrofacial papules unresponsive to conventional therapies. Dermoscopic examination revealed characteristic brown-grey dots and globules with a pseudoreticular pattern. Histopathological evaluation demonstrated features of lichenoid interface dermatitis, confirming the diagnosis of LIPEN. Patient responded to topical calcineurin inhibitors. Recognition of its distinctive clinicodermoscopic and histopathological features is essential to differentiate LIPEN from common mimics and guide appropriate management.<\/jats:p>","DOI":"10.1136\/bcr-2026-272628","type":"journal-article","created":{"date-parts":[[2026,4,20]],"date-time":"2026-04-20T14:20:50Z","timestamp":1776694850000},"page":"e272628","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Lichenoid pseudovesicular papular eruption of the nose (LIPEN): clinicodermoscopic and histopathological correlation"],"prefix":"10.1136","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-5820-8174","authenticated-orcid":false,"given":"Kartik","family":"Saini","sequence":"first","affiliation":[{"name":"Dermatology, AIIMS Rishikesh, Rishikesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sushantika","family":"Sushantika","sequence":"additional","affiliation":[{"name":"Dermatology, AIIMS Rishikesh, Rishikesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8430-0216","authenticated-orcid":false,"given":"Prashant","family":"Durgapal","sequence":"additional","affiliation":[{"name":"Pathology, All India Institute of Medical Sciences, Rishikesh, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sunil Kumar","family":"Gupta","sequence":"additional","affiliation":[{"name":"Dermatology, AIIMS Gorakhpur, Gorakhpur, UP, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2026,4,20]]},"reference":[{"key":"2026042007201308000_19.4.e272628.1","doi-asserted-by":"crossref","first-page":"597","DOI":"10.4103\/ijdvl.IJDVL_347_18","article-title":"Lichenoid pseudovesicular papular eruption on nose: A papular facial dermatosis probably related to actinic lichen nitidus or micropapular polymorphous light eruption","volume":"85","author":"Singh","year":"2019","journal-title":"Indian J Dermatol Venereol Leprol"},{"key":"2026042007201308000_19.4.e272628.2","doi-asserted-by":"crossref","first-page":"259","DOI":"10.4103\/idoj.idoj_208_22","article-title":"Dermoscopic Features of Lichenoid Pseudovesicular Papular Eruption of the Nose (LiPEN): A Rare Entity","volume":"14","author":"Saini","year":"2023","journal-title":"Indian Dermatol Online J"},{"key":"2026042007201308000_19.4.e272628.3","doi-asserted-by":"crossref","DOI":"10.5826\/dpc.1304a217","article-title":"Lichenoid Pseudovesicular Papular Eruption on the Nose With Dermoscopic Features: A Case Series","volume":"13","author":"Gupta","year":"2023","journal-title":"Dermatol Pract Concept"},{"key":"2026042007201308000_19.4.e272628.4","doi-asserted-by":"crossref","first-page":"950","DOI":"10.4103\/idoj.IDOJ_865_20","article-title":"Dermoscopy of \u201cLichenoid Pseudovesicular Papular Eruption on 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