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Spinal cord ependymoma: a positron emission tomographic study with (11C-methyl)-L-methionine
T Sasajima1, K Mineura, Y Itoh
1Neurosurgical Service, Akita University Hospital, Japan.
Neuroradiology
|January 1, 1996
Abstract:
An intramedullary spinal cord ependymoma was studied by positron emission tomography (PET) using (11C-methyl)-L-methionine (11C-Met). MRI showed a homogeneously enhancing tumour at C6-T2 with cysts at its rostral and caudal ends. Sagittal PET images demonstrated high 11C-Met uptake in the solid portion of the tumour, particularly ventrally at C7-T2, where viable tumour cells proliferated in association with abundant perforating vessels. Met-PET would appear useful for delineating the viable portion of intramedullary ependymomas.