In order to overcome these challenges, Siemens Healthineers introduces 4D MRI – RT Respiratory Self-Gating, a technique that captures organ motion in the abdomen and thorax under free-breathing with excellent soft tissue contrast and automatic respiratory phase sorting during the entire acquisition time, all without the need for external respiratory devices or surrogates.
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4D MRI – RT Respiratory Self-GatingPatient motion management for MR in RT
Respiration-induced motion of the abdomen and thorax can hinder the accurate determination of treatment margins for target tumors, as needed for radiotherapy planning. Furthermore, techniques using patient breath holds and abdominal compression can have consequences for patient comfort and treatment plan reproducibility.
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Specific clinical images were acquired on the 4D MRI WIP package.