Incidental occurrence of an unusually large mastoid foramen on cone-beam computed tomography and review of the literature
Identifieur interne : 000749 ( Main/Exploration ); précédent : 000748; suivant : 000750Incidental occurrence of an unusually large mastoid foramen on cone-beam computed tomography and review of the literature
Auteurs : Ali Z. Syed [États-Unis] ; Cleo Sin [États-Unis] ; Raquel Rios [États-Unis] ; Mel Mupparapu [États-Unis]Source :
- Imaging Science in Dentistry [ 2233-7822 ] ; 2016.
Abstract
The incidental finding of an enlarged mastoid foramen on the right posterior mastoid region of temporal bone is reported, together with a discussion of its clinical significance. A 67-year-old female underwent the pre-implant assessment of a maxillary left edentulous region. A cone-beam computed tomographic (CBCT) image was acquired and referred for consultation. Axial CBCT slices revealed a unilateral, well-defined, noncorticated, low-attenuation, transosseous defect posterior to the mastoid air cells in the right temporal bone. The borders of the osseous defect were smooth and continuous. No other radiographic signs suggestive of erosion or sclerosis were noted in the vicinity. The density within the defect was homogenous and consistent with a foramen and/or soft tissue. The patient's history and physical examination revealed no significant medical issues, and she was referred to a neuroradiologist for a second opinion. The diagnosis of an enlarged mastoid foramen was made and the patient was reassured.
Url:
DOI: 10.5624/isd.2016.46.1.39
PubMed: 27051638
PubMed Central: 4816770
Affiliations:
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Syed</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Oral and Maxillofacial Medicine and Diagnostic Sciences, School of Dental Medicine, Case Western Reserve University, Cleveland, OH, USA.</nlm:aff><country xml:lang="fr" wicri:curation="lc">États-Unis</country><wicri:regionArea>Department of Oral and Maxillofacial Medicine and Diagnostic Sciences, School of Dental Medicine, Case Western Reserve University, Cleveland, OH</wicri:regionArea><placeName><region type="state">Ohio</region></placeName></affiliation></author><author><name sortKey="Sin, Cleo" sort="Sin, Cleo" uniqKey="Sin C" first="Cleo" last="Sin">Cleo Sin</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Oral and Maxillofacial Medicine and Diagnostic Sciences, School of Dental Medicine, Case Western Reserve University, Cleveland, OH, USA.</nlm:aff><country xml:lang="fr" wicri:curation="lc">États-Unis</country><wicri:regionArea>Department of Oral and Maxillofacial Medicine and Diagnostic Sciences, School of Dental Medicine, Case Western Reserve University, Cleveland, OH</wicri:regionArea><placeName><region type="state">Ohio</region></placeName></affiliation></author><author><name sortKey="Rios, Raquel" sort="Rios, Raquel" uniqKey="Rios R" first="Raquel" last="Rios">Raquel Rios</name><affiliation wicri:level="2"><nlm:aff id="A1">Department of Oral and Maxillofacial Medicine and Diagnostic Sciences, School of Dental Medicine, Case Western Reserve University, Cleveland, OH, USA.</nlm:aff><country xml:lang="fr" wicri:curation="lc">États-Unis</country><wicri:regionArea>Department of Oral and Maxillofacial Medicine and Diagnostic Sciences, School of Dental Medicine, Case Western Reserve University, Cleveland, OH</wicri:regionArea><placeName><region type="state">Ohio</region></placeName></affiliation></author><author><name sortKey="Mupparapu, Mel" sort="Mupparapu, Mel" uniqKey="Mupparapu M" first="Mel" last="Mupparapu">Mel Mupparapu</name><affiliation wicri:level="2"><nlm:aff id="A2">Division of Radiology, University of Pennsylvania School of Dental Medicine, Philadelphia, PA, USA.</nlm:aff><country xml:lang="fr" wicri:curation="lc">États-Unis</country><wicri:regionArea>Division of Radiology, University of Pennsylvania School of Dental Medicine, Philadelphia, PA</wicri:regionArea><placeName><region type="state">Pennsylvanie</region></placeName></affiliation></author></analytic><series><title level="j">Imaging Science in Dentistry</title><idno type="ISSN">2233-7822</idno><idno type="eISSN">2233-7830</idno><imprint><date when="2016">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>The incidental finding of an enlarged mastoid foramen on the right posterior mastoid region of temporal bone is reported, together with a discussion of its clinical significance. A 67-year-old female underwent the pre-implant assessment of a maxillary left edentulous region. A cone-beam computed tomographic (CBCT) image was acquired and referred for consultation. Axial CBCT slices revealed a unilateral, well-defined, noncorticated, low-attenuation, transosseous defect posterior to the mastoid air cells in the right temporal bone. The borders of the osseous defect were smooth and continuous. No other radiographic signs suggestive of erosion or sclerosis were noted in the vicinity. The density within the defect was homogenous and consistent with a foramen and/or soft tissue. The patient's history and physical examination revealed no significant medical issues, and she was referred to a neuroradiologist for a second opinion. 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name="Ohio"><name sortKey="Syed, Ali Z" sort="Syed, Ali Z" uniqKey="Syed A" first="Ali Z." last="Syed">Ali Z. Syed</name></region><name sortKey="Mupparapu, Mel" sort="Mupparapu, Mel" uniqKey="Mupparapu M" first="Mel" last="Mupparapu">Mel Mupparapu</name><name sortKey="Rios, Raquel" sort="Rios, Raquel" uniqKey="Rios R" first="Raquel" last="Rios">Raquel Rios</name><name sortKey="Sin, Cleo" sort="Sin, Cleo" uniqKey="Sin C" first="Cleo" last="Sin">Cleo Sin</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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