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KMID : 1024020140440020165
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Imaging Science in Dentistry
2014 Volume.44 No. 2 p.165 ~ p.169
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Clival lesion incidentally discovered on cone-beam computed tomography: A case report and review of the literature
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:Jadhav Aniket B.
:Tadinada Aditya/:Rengasamy Kandasamy/:Fellows Douglas/:Lurie Alan G.
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Abstract
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An osteolytic lesion with a small central area of mineralization and sclerotic borders was discovered incidentally in the clivus on the cone-beam computed tomography (CBCT) of a 27-year-old male patient. This benign appearance indicated a primary differential diagnosis of non-aggressive lesions such as fibro-osseous lesions and arrested pneumatization. Further, on magnetic resonance imaging (MRI), the lesion showed a homogenously low T1 signal intensity with mild internal enhancement after post-gadolinium and a heterogeneous T2 signal intensity. These signal characteristics might be attributed to the fibrous tissues, chondroid matrix, calcific material, or cystic component of the lesion; thus, chondroblastoma and chondromyxoid fibroma were added to the differential diagnosis. Although this report was limited by the lack of final diagnosis and the patient lost to follow-up, the incidental skull base finding would be important for interpreting the entire volume of CBCT by a qualified oral and maxillofacial radiologist.
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KEYWORD
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Cranial Fossa, Posterior, Cone-Beam Computed Tomography, Skull Base Neoplasms, Incidental Findings
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