{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T17:47:19Z","timestamp":1648835239677},"reference-count":19,"publisher":"FapUNIFESP (SciELO)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Braz. Dent. J."],"published-print":{"date-parts":[[2014,10]]},"abstract":"<jats:p>The radicular cyst is an inflammatory odontogenic cyst of endodontic origin. Radiographically, the lesion appears as a periapical radiolucent image. This report describes a very rare case of a mixed periapical radiographic image diagnosed as a radicular cyst. A 37-year-old female patient presented a mixed, well-circumscribed image located in the periapical region of the left maxillary central incisor, which presented unsatisfactory endodontic treatment. Microscopic examination revealed a cavity lined by non-keratinized squamous epithelium and extensive calcifications in the cystic lumen and lining epithelium. Diagnosis of radicular cyst with extensive calcifications was established. Endodontic retreatment was performed and no radiographic signs of recurrence were observed 18 months after treatment. Although very rare, a radicular cyst should be considered in the differential diagnosis of a mixed periapical image associated to teeth with pulp necrosis.<\/jats:p>","DOI":"10.1590\/0103-6440201300235","type":"journal-article","created":{"date-parts":[[2014,12,18]],"date-time":"2014-12-18T07:55:30Z","timestamp":1418889330000},"page":"447-450","source":"Crossref","is-referenced-by-count":2,"title":["Mixed Periapical Lesion: An Atypical Radicular Cyst with Extensive Calcifications"],"prefix":"10.1590","volume":"25","author":[{"given":"Fl\u00e1via Maria de Moraes","family":"Ramos-Perez","sequence":"first","affiliation":[{"name":"UFPE - Federal University of Pernambuco,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andr\u00e9a dos Anjos","family":"Pontual","sequence":"additional","affiliation":[{"name":"UFPE - Federal University of Pernambuco,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Talita Ribeiro Ten\u00f3rio de","family":"Fran\u00e7a","sequence":"additional","affiliation":[{"name":"UFPE - Federal University of Pernambuco,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria Luiza dos Anjos","family":"Pontual","sequence":"additional","affiliation":[{"name":"UFPE - Federal University of Pernambuco,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ricardo Villar","family":"Beltr\u00e3o","sequence":"additional","affiliation":[{"name":"UFPB - Federal University of Paraiba,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Danyel Elias da Cruz","family":"Perez","sequence":"additional","affiliation":[{"name":"UFPE - Federal University of Pernambuco,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"852","DOI":"10.1002\/hed.21820","article-title":"Odontogenic and nonodontogenic cysts in Istanbul: analysis of 5088 cases","volume":"34","author":"Tekkesin MS","year":"2012","journal-title":"Head Neck"},{"key":"ref2","doi-asserted-by":"crossref","first-page":"607","DOI":"10.1016\/j.joen.2009.02.012","article-title":"Nonsurgical root canal therapy of large cyst-like inflammatory periapical lesions and inflammatory apical cysts","volume":"35","author":"Lin LM","year":"2009","journal-title":"J Endod"},{"key":"ref3","series-title":"Cysts of the maxilofacial regions","author":"Shear M","year":"2007","edition":"4th ed."},{"key":"ref4","doi-asserted-by":"crossref","first-page":"810","DOI":"10.1016\/S0929-6646(10)60126-X","article-title":"Clinicopathological study of 252 jaw bone periapical lesions from a private pathology laboratory","volume":"109","author":"Lin HP","year":"2010","journal-title":"J Formos Med Assoc"},{"key":"ref5","doi-asserted-by":"crossref","first-page":"191","DOI":"10.1259\/dmfr\/89370676","article-title":"Mixed periapical lesion: differential diagnosis of a case","volume":"40","author":"Krithika C","year":"2011","journal-title":"Dentomaxillofac Radiol"},{"key":"ref6","doi-asserted-by":"crossref","first-page":"662","DOI":"10.1590\/0103-6440201302364","article-title":"Ossifying fibroma of the jaws: a clinicopathological case series study","volume":"24","author":"Andrade M","year":"2013","journal-title":"Braz Dent J"},{"key":"ref7","doi-asserted-by":"crossref","first-page":"546","DOI":"10.1016\/j.joen.2009.11.027","article-title":"Ossifying fibroma misdiagnosed as chronic apical periodontitis","volume":"36","author":"Ramos-Perez FM","year":"2010","journal-title":"J Endod"},{"key":"ref8","doi-asserted-by":"crossref","first-page":"430","DOI":"10.1007\/s12105-012-0388-x","article-title":"Adenomatoid odontogenic tumor: retrospective study of 15 cases with emphasis on histopathologic features","volume":"6","author":"Matos FR","year":"2012","journal-title":"Head Neck Pathol"},{"key":"ref9","doi-asserted-by":"crossref","first-page":"e56","DOI":"10.1016\/j.oooo.2012.05.022","article-title":"Benign fibro-osseous lesions: clinicopathologic features from 143 cases diagnosed in an oral diagnosis setting","volume":"115","author":"de Noronha Santos Netto J","year":"2013","journal-title":"Oral Surg Oral Med Oral Pathol Oral Radiol"},{"key":"ref10","doi-asserted-by":"crossref","first-page":"17","DOI":"10.1016\/S1368-8375(99)00061-5","article-title":"Calcifying epithelial odontogenic tumour: biological profile based on 181 cases from the literature","volume":"36","author":"Philipsen HP","year":"2000","journal-title":"Oral Oncol"},{"key":"ref11","series-title":"Pathology and genetics head and neck tumors","first-page":"313","volume-title":"Calcifying cystic odontogenic tumour","author":"Praetorius F","year":"2005","edition":"1st ed"},{"key":"ref12","doi-asserted-by":"crossref","first-page":"540","DOI":"10.1016\/S1079-2104(97)90271-7","article-title":"Distinguishing features of focal cemento-osseous dysplasia and cemento-ossifying fibromas. 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