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Control study on MRI of articular cartilage erosion and its histological expression / 中国矫形外科杂志
Orthopedic Journal of China ; (24)2006.
Article in Chinese | WPRIM | ID: wpr-544551
ABSTRACT
[Objective]To Study the sensitive sequence of MR for all stages of articular cartilage erosion and to evaluate the effect of MR on the correct diagnosis in the early stage of articular cartilage.[Method]One human fresh amputated knee joint and 4 normal pig knee joints were used to study and select the best sequence by T2WI,PDWI,GE,STIR,3D FS-FSPGR sequences and 6 pig oatcoarthritis(OA)model knee joints were studied by the selected best sequence,MRI was compared with correspont histological evidence to evaluate the effect of MR on the correct diagnosis of OA cartilage.[Result]The best results of tissue resolution and diagnosis rate were seen in 3D FS-FSPGR of all five sequences respectively 67.9% and 93.7%,of proteogly(PG)and collagen fiber(CF)mainly distributed in the deep cantilage.Dyeing of PG in diffent cantilage erosion was decreased while CF increasing.[Conclusion]3D FS-FSPGR is a favorable scan sequence to examine the OA changes of articular cartilage.MRI could show the pathological changes including early stage and have good veracity to the early pathological changes of OA cartilage.

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

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