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- W2377776005 abstract "Objective To evaluate MR sensitive sequences of cartilage in detecting cartilaginous lesions.Methods Seventy-six patients with the history of acute injury and 7 patients with cartilaginous tumors were studied.MR scan protocol Sagittal dual-echo fast spin-echo with fat-suppressed(FS-FSE-T2WI/PD),fat-saturation three-dimen-sional fast spoiled gradient echo(FS-3D-T1-FSPGR),out phase T1 weighed three-dimensional fast spoiled gradient echo(UnilateralT1-Special-3D-FSPGR),Axial fat-suppressed fast spin-echo proton density(FS-FSE-PD),another T1 weighted fast spin-echo(FSE-T1WI),T2 weighted fast spin-echo(FSE-T2WI),T2 weighted gradient echo(GR)and diffusion weighted imaging(DWI,b=300s/mm3)for cartilagi-nous tumor patients.The diagnosis of hyaline cartilage lesions and the signal characters of cartilaginous tumors were investigated.Results 32 of 76 patients underwent arthroscopy.MR appearances of chondral lesions included:cartilage thicken with abnormal signal(n=5);osteochondral compression fracture(n=3);partial or full-thick defection of carti-lage with or without subcartilaginous bone abnormal signal(n=18);abruption of chondral surface,flap-like free segment and fluid-like signal at the cartilage-bone junction(n=2);osteochondral delamination,broken,in situ or out of place(n=4).6 of 7 cartilaginous tumors had similar signal characters:low signal on T1WI,slightly bright signal on T2WI,brilliant high signal on FS-FSE-T2WI/PD and GR,slightly high signal on FS-3D-T1-FSPGR and UnilateralT1-Special-3D-FSPGR,homogeneous high signal on DWI.Con-clusion MR can reflect the area and degree of acute cartilage trauma accurately and provide significant information for the choice clinic of treatment plan and further follow-ing observation;cartilaginous tumors have specific MR appearances.The Heavy T2 weighted GR sequence is the most valuable MR sequence in the diagnosis of cartilaginous tumors;DWI is a potential method for cartilaginous tumors." @default.
- W2377776005 created "2016-06-24" @default.
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- W2377776005 date "2007-01-01" @default.
- W2377776005 modified "2023-09-23" @default.
- W2377776005 title "The application of cartilage sensitive MR sequences to detecting cartilaginous lesions" @default.
- W2377776005 hasPublicationYear "2007" @default.
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