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Investigation of Correlations of Double Inversion Recovery and MR Spectroscopy on Breast MR Imaging
Journal of the Korean Society of Magnetic Resonance in Medicine ; : 34-42, 2014.
Article in Korean | WPRIM | ID: wpr-223485
ABSTRACT

PURPOSE:

To evaluate the correlation of lesion-to-normal ratio (LNR) of signal intensity from double inversion recovery MR imaging and total choline-containing compound (tCho) resonance from single voxel MR spectroscopy in breast cancers. MATERIALS AND

METHODS:

Between August 2008 and December 2009, 28 patients who were diagnosed as breast cancer and had undergone both double inversion recovery (DIR) MR imaging and MR spectroscopy (MRS) were included in this study. The signal intensities of the lesion (L) and ipsilateral normal breast tissue (N) were measured in region of interest of each breast cancer in DIR and contrast enhance MR image (CE-T1WI) to calculate the LNR value for each technique. MRS was performed using single-voxel MR spectroscopy. The height, width and area of tCho resonance were compared with each LNR of DIR and CE-T1WI. We used Pearson's correlation coefficient (r) for correlation analysis and the significance level was p=0.05.

RESULTS:

There was no statistically significant correlation between LNR of CE-T1WI and height (r=-0.322, p=0.094), width (r=-0.233, p=0.232) and area (r=-0.309, p=0.109) of MRS tCho. There was no statistically significant correlation between LNR of DIR and height (r=0.067, p=0.735), width (r=-0.287, p=0.139) and area (r=0.012, p=0.953) of MRS tCho, either. The Pearson's correlation coefficient was 0.186 between LNRs of CE-T1WI and DIR (p=0.344).

CONCLUSION:

There was no statistically significant correlation between LNR of DIR and relative amount of tCho resonance of MRS.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Breast / Breast Neoplasms / Magnetic Resonance Imaging / Magnetic Resonance Spectroscopy Limits: Humans Language: Korean Journal: Journal of the Korean Society of Magnetic Resonance in Medicine Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Breast / Breast Neoplasms / Magnetic Resonance Imaging / Magnetic Resonance Spectroscopy Limits: Humans Language: Korean Journal: Journal of the Korean Society of Magnetic Resonance in Medicine Year: 2014 Type: Article