Quantitative measurement of relaxation times in magnetic resonance imaging

摘要

A magnetic resonance imaging system that includes machine executable instructions to control the system with pulse sequence commands to acquire a series of magnetic resonance data and noise magnetic resonance data. The pulse sequence commands are configured to control the system to acquire a series of magnetic resonance data from a subject according to a quantitative magnetic resonance imaging protocol for quantitatively determining a relaxation time. The quantitative magnetic resonance imaging protocol includes pulse sequence repetition having a magnetic gradient portion, a radio frequency portion, and an acquisition portion. The quantitative magnetic resonance imaging protocol includes a pause cycle between at least two of the multiple pulse sequence repetitions, wherein the pulse sequence commands are configured for acquiring noise magnetic resonance data during the pause cycle using the magnetic gradient portion and the acquisition portion.