Institut Paoli-Calmettes
feasibility of using a diffusion sequence of a MRgRT system as an early marker of treatment response during nRCT of rectal adenocarcinoma.
feasibility of using a diffusion sequence of a MRgRT system as an early marker of treatment response during nRCT of rectal adenocarcinoma.
Inclusion Criteria: 1. Patient over 18 years old. 2. Diagnosis of histologically confirmed rectal adenocarcinoma for which nRCT has been indicated. 3. Karnofsky Index (KPS) ≥ 70 or ECOG = 0 or 1 4. Signed consent to participation. 5. For women of childbearing age, effective contraception must also be agreed for the duration of treatment. 6. Affiliation to a social security regimen, or beneficiary of such a regimen. Exclusion Criteria: 1. Predominant mucinous component on initial MRI, biopsy and / or definitive pathology. Mucin may lead to overestimation of ADC values on DWIs. 2. Contraindic…
The radiotherapy treatment will be delivered on the MRI-guided radiotherapy platform. The on-board DWI sequences will be performed every three fractions in addition to the treatment session and will last approximately 3-4 minutes.
Arctuva estimate
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