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Alanine peak in central neurocytomas on proton MR spectroscopy.

作者信息

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

机构信息

Department of Imaging Sciences and Interventional Radiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, 695011, India.

出版信息

Neuroradiology. 2007 Jul;49(7):551-4. doi: 10.1007/s00234-007-0224-2. Epub 2007 Mar 16.

DOI:10.1007/s00234-007-0224-2
PMID:17364196
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.

摘要

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2
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BBA Clin. 2016 Apr 12;5:170-8. doi: 10.1016/j.bbacli.2016.04.002. eCollection 2016 Jun.
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