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METHOD FOR JOINT ARTERIAL INPUT FUNCTION AND TRACER KINETIC PARAMETER ESTIMATION IN ACCELERATED DCE-MRI USING A MODEL CONSISTENCY CONSTRAINT
专利权人:
UNIVERSITY OF SOUTHERN CALIFORNIA
发明人:
KRISHNA S. NAYAK,YANNICK BLIESENER
申请号:
US16384795
公开号:
US20190317171A1
申请日:
2019.04.15
申请国别(地区):
US
年份:
2019
代理人:
摘要:
Tracer kinetic models are utilized as temporal constraints for highly under-sampled reconstruction of DCE-MRI data. In one embodiment, a method for improving dynamic contrast enhanced imaging. The method includes steps of administering a magnetic resonance contrast agent to a subject and then collecting magnetic resonance contrast agent from the subject. A tracer kinetic model (i.e. eTofts or Patlak) is selected to be applied to the magnetic resonance imaging data. The tracer kinetic model is applied to the magnetic resonance imaging data. Tracer kinetic maps and dynamic images are simultaneously reconstructed and a consistency constraint is applied. The proposed method allows for easy use of different tracer kinetic models in the formulation and estimation of patient-specific arterial input functions jointly with tracer kinetic maps.
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