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Abstract #5618

T1 and T2 relaxation times of uterus and cervical cancer in vivo at 1.5T

Xue Wu1, Stacie L Mackey2, Carol H Bertelsman2, Yuan (James) Rao1, Jacqueline E Zoberi1, Jose Garcia-Ramirez1, Perry W Grigsby1, Stephanie S Markovina1, Julie K Schwarz1, Sasa Mutic1, and H Michael Gach1

1Radiation Oncology, Washington University in St Louis, St Louis, MO, United States, 2Radiation Oncology, Barnes-Jewish Hospital, St Louis, MO, United States

T1 and T2 maps were acquired at 1.5 T in three cervical cancer patients (52.3±9.0 years) receiving brachytherapy and external beam radiation therapy. Measurements occurred at weeks 1, 3, and 6, where possible. The average T1 values were 1448.2 ± 209.1ms in the uterus and 1242.9 ± 202.4 ms in the tumor tissue (cervical carcinoma). The average T2 values were 86.4 ± 15.6 ms in the uterus and 81.1 ± 20.6 ms in the tumor. There was no significant difference in the T1 and T2 in the uterus and tumor based on an analysis of variance.

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