title: Le Fort I osteotomy for the removal of a rare unicystic ameloblastoma lesion in the maxillary sinus.
abstract: The unicystic ameloblastoma (UA) presents the clinical and radiographic characteristics of a maxillary cyst, making early diagnosis difficult. A 30-year-old man had an extensive, asymptomatic lesion in the right maxillary sinus. Radiographic examinations demonstrated a retained tooth in association with a lesion. Histopathologic examination revealed the presence of UA with intraluminal and mural infiltration and a follicular pattern. Le Fort I access was chosen for enucleation of the lesion and curettage of the site, which were followed by cryotherapy. The treatment provided adequate intraoperative visibility, enabled the preservation of the surrounding bone, and eliminated postoperative complications. Follow-up over 5 years demonstrated no recurrence.
authors.forename: Lilian Cristina Vessoni
authors.initials: LC
authors.lastname: Iwaki
authors.forename: Elen Souza
authors.initials: ES
authors.lastname: Tolentino
authors.forename: Rômulo Maciel
authors.initials: RM
authors.lastname: Lustosa
authors.forename: Willian Pecin
authors.initials: WP
authors.lastname: Jacomacci
authors.forename: Ana Regina
authors.initials: AR
authors.lastname: Casaroto
authors.forename: Pablo Cornelius
authors.initials: PC
authors.lastname: Leite
authors.forename: Liogi
authors.initials: L
authors.lastname: Iwaki-Filho
mesh_terms: D000328:Adult; D000564:Ameloblastoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D054893:Cone-Beam Computed Tomography; D006801:Humans; D008297:Male; D008441:Maxillary Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D008444:Maxillary Sinus Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D019340:Osteotomy, Le Fort / Q000379:methods*