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Since it shows clinical similarities with a malignant lesion and with cellular blue nevus that can itself suffer malignant transformation, the decisive diagnosis is crucial for adequate treatment, follow-up, and prognosis. Diagnosis confirmation is given by histological analysis, the reason why most oral pigmented lesions are excised. The following case presents an asymptomatic oral pigmented lesion of the hard palate discovered during observation in an emergency setting due to an abscess of dental origin. The lesion was fully excised, and histological examination reported a \u201ccommon blue nevus.\u201d In this case, we intend to present a rare lesion of the oral cavity and the importance of performing a routine oral examination when given a chance as a preventive approach.<\/jats:p>","DOI":"10.1155\/2022\/6329334","type":"journal-article","created":{"date-parts":[[2022,2,15]],"date-time":"2022-02-15T22:20:55Z","timestamp":1644963655000},"page":"1-4","source":"Crossref","is-referenced-by-count":4,"title":["Blue Nevus of the Hard Palate: The Importance of a Careful Examination in an Emergency Setting"],"prefix":"10.1155","volume":"2022","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2904-8844","authenticated-orcid":true,"given":"Ana Teresa","family":"Tavares","sequence":"first","affiliation":[{"name":"Stomatology Department, Centro Hospitalar Universit\u00e1rio de Lisboa Central, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9523-5149","authenticated-orcid":true,"given":"Andr\u00e9","family":"Pereira","sequence":"additional","affiliation":[{"name":"Stomatology Department, Centro Hospitalar Universit\u00e1rio de Lisboa Central, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jo\u00e3o","family":"Pimentel","sequence":"additional","affiliation":[{"name":"Pathology Department, Centro Hospitalar Universit\u00e1rio de Lisboa Central, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4670-9790","authenticated-orcid":true,"given":"Marcelo","family":"Prates","sequence":"additional","affiliation":[{"name":"Stomatology Department, Centro Hospitalar Universit\u00e1rio de Lisboa Central, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lu\u00eds","family":"Fonseca","sequence":"additional","affiliation":[{"name":"Stomatology Department, Centro Hospitalar Universit\u00e1rio de Lisboa Central, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria Ros\u00e1rio","family":"Marques","sequence":"additional","affiliation":[{"name":"Stomatology Department, Centro Hospitalar Universit\u00e1rio de Lisboa Central, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francisco","family":"Proen\u00e7a","sequence":"additional","affiliation":[{"name":"Stomatology Department, Centro Hospitalar Universit\u00e1rio de Lisboa Central, Lisbon, Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1016\/j.oooo.2015.05.008"},{"key":"2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajoms.2016.03.001"},{"key":"3","doi-asserted-by":"publisher","DOI":"10.1590\/s0365-05962011000700015"},{"key":"4","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2007.07.047"},{"key":"5","doi-asserted-by":"publisher","DOI":"10.1016\/j.oraloncology.2006.11.013"},{"key":"6","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0714.2004.00238.x"},{"key":"7","doi-asserted-by":"publisher","DOI":"10.1016\/s1079-2104(03)00319-6"},{"key":"8","first-page":"181","article-title":"Malignant melanoma of the head and neck: a brief review of pathophysiology, current staging, and management","volume":"8","author":"C. 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