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Title: Alanine peak in central neurocytomas on proton MR spectroscopy
Authors: Krishnamoorthy, T.
Radhakrishnan, V. V.
Thomas, B.
Jeyadevan, E. R.
Menon, G.
Nair, Suresh
Keywords: Neurosurgery
Issue Date: 2007
Citation: NEURORADIOLOGY. 49; 7; 551-554
Abstract: Introduction We present three consecutive patients with central neurocytoma in whom proton MRS demonstrated the presence of alanine.Materials and methods Three patients in the age range 24 to 30 years underwent MRI and proton MRS using a 1.5-T system. MRS was performed with the multivoxel PRESS sequence. All three patients underwent surgery and the diagnosis of central neurocytoma was established by histopathological examination and immunostaining.Results With an echo time of 135 ms glycine, high choline, small NAA and alanine were observed in all three patients.Conclusion Alanine may be observed in central neurocytomas as it is in meningiomas. Other spectral peaks such as those for glycine and NAA should help to identify this tumor correctly.
Appears in Collections:Journal Articles

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