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Squamous odontogenic tumor related to an unerupted lower canine

Identifieur interne : 00CA82 ( Main/Exploration ); précédent : 00CA81; suivant : 00CA83

Squamous odontogenic tumor related to an unerupted lower canine

Auteurs : R. A. Monteil [France] ; P. Terestri [France]

Source :

Journal of Oral and Maxillofacial Surgery [ 0278-2391 ] ; 1985.

RBID : ISTEX:AECCC3AF4CC6FDDF7B2C24C95FD22A76DBB75D0C

English descriptors

KwdEn :
- Anterior part, Arch ophthalmol, Bone destruction, Calcification, Circular arrangement, Cleft palate, Connective tissue, Cortical plates, Cyst, Dentigerous cyst, Electron micrograph, Electron microscopy, Epithelial, Epithelial cells, Epithelial island, Epithelial islands, Intercellular edema, Multifocal cases, Numerous islands, Ocular, Ocular findings, Ocular pathology, Odontogenic, Odontogenic cysts, Odontogenic tumor, Oral surg, Original magnification, Other hand, Outer cortex, Outer layer, Palisading nuclei, Peripheral columnar cells, Present case, Present report, Radiologic features, Radiolucent area, Small epithelial islands, Soft tissues, Squamous, Squamous islands, Squamous odontogenic tumor, Squamous odontogenie tumor, Surg, Surgical procedure, Thorough enucleation, Trisomy syndrome, Undescribed lesion.
Teeft :
- Anterior part, Arch ophthalmol, Bone destruction, Calcification, Circular arrangement, Cleft palate, Connective tissue, Cortical plates, Cyst, Dentigerous cyst, Electron micrograph, Electron microscopy, Epithelial, Epithelial cells, Epithelial island, Epithelial islands, Intercellular edema, Multifocal cases, Numerous islands, Ocular, Ocular findings, Ocular pathology, Odontogenic, Odontogenic cysts, Odontogenic tumor, Oral surg, Original magnification, Other hand, Outer cortex, Outer layer, Palisading nuclei, Peripheral columnar cells, Present case, Present report, Radiologic features, Radiolucent area, Small epithelial islands, Soft tissues, Squamous, Squamous islands, Squamous odontogenic tumor, Squamous odontogenie tumor, Surg, Surgical procedure, Thorough enucleation, Trisomy syndrome, Undescribed lesion.

Abstract

Abstract: A new case of squamous odontogenic tumor (SOT) is presented. This is the seventeenth case of SOT to be reported and the first reported case related to a lower unerupted canine. A review of the literature reveals the extreme variability of the clinical and radiologic features of this tumor. Conversely, the microscopic characteristics of SOT are clearly defined: numerous islands of benign squamous epithelium scattered in an apparently mature connective tissue, absence of peripheral columnar cells with palisading nuclei, and absence of stellate reticulum. Keratin pearl formation, intraepithelial microcyst formation, and calcification are present to a variable extent. A circular arrangement of fibroblasts and fibrous condensation and/or hyalinization are observed around some epithelial islands, suggesting a reaction of the connective tissue to the epithelial proliferation. The observation of small epithelial islands near the apical surface of the retained tooth supports the theory that the tumor originates from Malassez's rests. The treatment of choice seems to be conservative, with thorough enucleation, but it should be borne in mind that multifocal cases have been described.

Url:

https://api.istex.fr/document/AECCC3AF4CC6FDDF7B2C24C95FD22A76DBB75D0C/fulltext/pdf

DOI: 10.1016/0278-2391(85)90229-0

Affiliations:

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Le document en format XML

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<term>Calcification</term>
<term>Circular arrangement</term>
<term>Cleft palate</term>
<term>Connective tissue</term>
<term>Cortical plates</term>
<term>Cyst</term>
<term>Dentigerous cyst</term>
<term>Electron micrograph</term>
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<term>Epithelial cells</term>
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<term>Intercellular edema</term>
<term>Multifocal cases</term>
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<term>Ocular findings</term>
<term>Ocular pathology</term>
<term>Odontogenic</term>
<term>Odontogenic cysts</term>
<term>Odontogenic tumor</term>
<term>Oral surg</term>
<term>Original magnification</term>
<term>Other hand</term>
<term>Outer cortex</term>
<term>Outer layer</term>
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<term>Present report</term>
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<term>Squamous odontogenic tumor</term>
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<term>Outer cortex</term>
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<front><div type="abstract" xml:lang="en">Abstract: A new case of squamous odontogenic tumor (SOT) is presented. This is the seventeenth case of SOT to be reported and the first reported case related to a lower unerupted canine. A review of the literature reveals the extreme variability of the clinical and radiologic features of this tumor. Conversely, the microscopic characteristics of SOT are clearly defined: numerous islands of benign squamous epithelium scattered in an apparently mature connective tissue, absence of peripheral columnar cells with palisading nuclei, and absence of stellate reticulum. Keratin pearl formation, intraepithelial microcyst formation, and calcification are present to a variable extent. A circular arrangement of fibroblasts and fibrous condensation and/or hyalinization are observed around some epithelial islands, suggesting a reaction of the connective tissue to the epithelial proliferation. The observation of small epithelial islands near the apical surface of the retained tooth supports the theory that the tumor originates from Malassez's rests. The treatment of choice seems to be conservative, with thorough enucleation, but it should be borne in mind that multifocal cases have been described.</div>
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Squamous odontogenic tumor related to an unerupted lower canine

Squamous odontogenic tumor related to an unerupted lower canine

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri