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- W2899136128 abstract "The differentiation grade of cervical cancer is histologically assessed by examining biopsies or surgical specimens. MRS is a highly sensitive technique that images tissue metabolism and can be used to increase the specificity of tissue characterization in a non‐invasive manner. We aim to explore the feasibility of using in vivo 1 H‐MRS at 7 T in women with cervical cancer to study tissue fatty acid composition. 10 women with histologically proven Stage IB1‐IIB cervical cancer were scanned with a whole‐body 7 T MR system with a multi‐transmit system and an internal receive only monopole antenna. A STEAM sequence was used to obtain 1 H‐MRS data. Fatty acid resonances were fitted with Lorentzian curves and the 2.1 ppm/1.3 ppm ratios were calculated. 1 H‐MRS data showed fatty acid signals resonating at 2.1 ppm, 1.9 ppm, 1.5 ppm, 1.3 ppm and 0.9 ppm. Mean 2.1/1.3 ppm ratios were 0.019 ± 0.01, 0.021 ± 0.006, 0.12 ± 0.089 and 0.39 ± 0.27 for normal, Grade I, Grade II and Grade III groups respectively. Poorly differentiated tumor tissue (Grade III) showed elevated fatty acid ratios when compared with the well differentiated tumor (Grade I) or normal tissue. 1 H‐MRS in cervical cancer at 7 T is feasible and individual fatty acid signals were detected. In addition, poorly differentiated tumors show more fatty acid unsaturation. The 2.1 ppm/1.3 ppm ratio has potential for tumor characterization in a non‐invasive manner for uterine cervical cancer." @default.
- W2899136128 created "2018-11-09" @default.
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- W2899136128 date "2018-10-30" @default.
- W2899136128 modified "2023-10-01" @default.
- W2899136128 title "Proton MRS of cervical cancer at 7 T" @default.
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- W2899136128 doi "https://doi.org/10.1002/nbm.4015" @default.
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