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KMID : 0858520120160010040
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Journal of the Korean Society of Magnetic Resonance in Medicine
2012 Volume.16 No. 1 p.40 ~ p.46
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Feasibility of In vivo Proton Magnetic Resonance Spectroscopy for Lung Cancer
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Yoon Soon-Ho
Park Chang-Min
Lee Chang-Hyun
Song In-Chan
Lee Hyun-Ju
Goo Jin-Mo
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Abstract
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Purpose: To investigate the feasibility of in vivo proton magnetic resonance spectroscopy (MRS) for evaluation of lung cancer.
Materials and Methods: This prospective study was approved by the institutional review board of our hospital and informed consent was obtained in all patients. Ten patients (7 men, 3 women; mean age, 64.4) with pathologicallyproven lung cancer (mean, 56.8 mm; range, 44-77 mm) were enrolled to 1.5 T MRS using a single-voxel respiration-triggered point-resolved spectroscopic sequence. Technical success rate and the reason of technical failure, if any, were investigated.
Results: Out of 10 lung cancers, analyzable MRS spectra were obtained in 8 tumors (technical success rate, 80%). Two MRS datasets were not able to be analyzed due to serious baseline distortion. Choline and lipid signals were detected as major metabolites in analyzable MRS spectra.
Conclusion: In vivo proton MRS method using a single-voxel respiration-triggered point-resolved spectroscopic sequence is feasible in obtaining the MR spectra of lung cancer because these spectra were analyzable and high success rate was shown in our study although there was the limitation of small patient group.
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KEYWORD
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Magnetic resonance, Spectroscopy, Lung cancer
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