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Imaging diagnosis of monostotic fibrous dysplasia of thoracic and lumbar spines / 中国矫形外科杂志
Orthopedic Journal of China ; (24)2006.
Article in Chinese | WPRIM | ID: wpr-544427
ABSTRACT
[Objective]To analyse the imaging findings of thoracic and lumbar fibrous dysplasia and evaluate the imaging characteristics.[Method]Among 5 cases of monostotic fibrous dysplasia of thoracic and lumbar spines,4 were imaged with CT scaning,2 with MRI and 5 with X-ray.All materials were analysed.[Result]Each X-ray revealed a round or oval radiolucent lesion surrounded by a distinct and thick rim of sclerosis.CT showed a round or oval low-density lesion with a high-density borderline between the lesion and normal vertebral bone tissue.Bone cortex remained intact in all cases.The lesion showed homogeneous long T1 signal on T1WI and hypo-or isointensity signal on T2WI.There was a characteristic hypointensity loop surrounded the lesion on T1WI,T2WI and PdWI.The lesion was demonstrated obviously in the contrast enhancement of scanning.[Conclusion]Monostotic fibrous dysplasia of thoracic and lumbar spine shows distinctive imaging characteristics that are different from dysplasia of limb bone or skull.These characteristics are decisive in the diagnosis of the lesion.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Orthopedic Journal of China Year: 2006 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Orthopedic Journal of China Year: 2006 Type: Article