A comparison between synthetic and conventional MRI

Detta är en Master-uppsats från KTH/Medicinsk teknik

Sammanfattning: This thesis describes the bene ts and disadvantages of using synthetic Magnetic Resonance Imaging (MRI) instead of conventional MRI. The thesis is based on a clinical study performed at Orebro University Hospital were 11 patients diagnosed with Multiple Sclerosis (MS) went through a brain examination with both methods. The examination time was measured and compared between the two methods, and the quality of the images was analysed by two radiologists. The study shows that the examination time can be reduced using the synthetic method instead of the conventional. The image quality is however not as good with the synthetic method which opens a discussion whether the time reduction is worth the loss of image quality. However, the conclusions are that the method can be useful for patients diagnosed with MS who are examined yearly and especially useful as a complement to the conventional sequence to gain as much information as possible that can be compared between the patients yearly exams. To completely replace other conventional examination types, the method has to be further evaluated and equipped with functions that are present in the conventional sequences, such as correction for motion artefacts.

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