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Analysis CT and MRI features of chordoma and misdiagnosis / 实用放射学杂志
Journal of Practical Radiology ; (12): 95-98, 2017.
Artigo em Chinês | WPRIM | ID: wpr-510229
ABSTRACT
Objective To explore the CT and MRI features of chordoma and analysis misdiagnosis.Methods The CT and MRI imaging data were analyzed retrospectively in 1 8 patients with chordoma.The imaging findings of the preoperative misdiagnosed lesions were analyzed and summarized.Results 1 2 cases were diagnosed correctly preoperatively,6 cases were misdiagnosed.Chordoma was located in the skull base in 9 cases,in the sacrum in 8 cases,and in cervical vertebrae in 1 case.CT and MRI showed oval or round shape lesions in 12,and irregular shape in 6.14 cases of them displayed clear boundary,4 cases displayed unclear boundary.CT showed soluble osseous bone destruction and uneven isodensity or slightly low density mass.Spot or lamellar shaped calcifications or residual substances of bone were found around or inside of the lesions in 9 cases.MRI showed equal or low signal intensity on T1 WI and high signal intensely on T2 WI.After the CT and MRI contrast enhancement,mass showed mild-to-moderate heterogeneity enhancement. Conclusion Chordoma has certain characteristics on CT and MRI imaging.The combination use of CT and MRI scans has an important value in localization quantitative and qualitative diagnosis of chordoma.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Pesquisa qualitativa Idioma: Chinês Revista: Journal of Practical Radiology Ano de publicação: 2017 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Pesquisa qualitativa Idioma: Chinês Revista: Journal of Practical Radiology Ano de publicação: 2017 Tipo de documento: Artigo