Alanine peak in central neurocytomas on proton MR spectroscopy

T. Krishnamoorthy, V.V. Radhakrishnan, B. Thomas, E.R. Jeyadevan, G. Menon, S. Nair

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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 echotime 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. © Springer-Verlag 2007.
Original languageEnglish
Pages (from-to)551-554
Number of pages4
JournalNeuroradiology
Volume49
Issue number7
DOIs
Publication statusPublished - 2007

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    Krishnamoorthy, T., Radhakrishnan, V. V., Thomas, B., Jeyadevan, E. R., Menon, G., & Nair, S. (2007). Alanine peak in central neurocytomas on proton MR spectroscopy. Neuroradiology, 49(7), 551-554. https://doi.org/10.1007/s00234-007-0224-2