Abstract #3271

Increased measurement precision for fatty acid composition mapping by parameter reduction

Johan Berglund¹, Henric Rydén¹, and Mikael Skorpil¹

¹Karolinska University Hospital, Stockholm, Sweden

An imaging method for mapping Fatty Acid Composition using three triglyceride spectrum model parameters (FAC3) was modified into mapping Fatty Acid Composition with only one spectrum model parameter (FAC1), namely the average number of double bonds per triglyceride (ndb). Images of a patient with a lipoma were reconstructed using both methods. The FAC3 ndb map showed large-scale variation from left to right, giving significant variation between subcutaneous adipose tissue locations. Measurements from the FAC1 ndb map were consistent within the adipose tissue, offering a higher level of confidence and more precise measurements.

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