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- W2391736356 abstract "Purpose To investigate the MRI features of intraspinal primary primitive neuroectodermal tumor(PNET).Materials and Methods Six patients with pathology proven PNET were selected,all patients underwent MRI,five additionally underwent contrast enhancement.The location,size,morphological features,signal intensity,contrast enhancement characteristics,involvement of paraspinal soft tissues and adjacent bony structures of PNET were analyzed.Results Five of six cases in epidural region and one case in intradural extramedullary region.Six cases were single lesions with relatively well-defined margin,it appeared lobulate(n=3),stripped and rod-like(n=3).The lesions demonstrated heterogeneous iso-or hyposignal intensity on T1WI and slightly hypersignal intensity on T2WI,and heterogeneously slightly enhanced.The lesion extended through the intervertebral foramen with a paraspinal soft tissue mass in three cases,and adjacent vertebral bone or appendages involvement was demonstrated in four cases.Conclusion MRI is useful in delineating the size,location,extent and involvement of adjacent tissues of PNET,it should be considered when MR imaging demonstrates an intraspinal mass which extends from intervertebral foramen and invades paraspinal soft tissues,vertebral body or appendage." @default.
- W2391736356 created "2016-06-24" @default.
- W2391736356 creator A5089785838 @default.
- W2391736356 date "2013-01-01" @default.
- W2391736356 modified "2023-09-24" @default.
- W2391736356 title "MRI Features of Intraspinal Primitive Neuroectodermal Tumor" @default.
- W2391736356 hasPublicationYear "2013" @default.
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