proton density

proton density

a measure of proton concentration, or the number of atomic nuclei per given volume. It is one of the major determinants of magnetic resonance signal strength in hydrogen imaging.

proton density

An MRI term for the concentration of mobile hydrogen atoms within a sample of tissue.
References in periodicals archive ?
Sagittal, coronal and axial fat-suppressed proton density, coronal T1, sagittal fat-suppressed 3-D DESS sequences were performed using a 3 Tesla magnet.
The measured proton density across each depth profile for each TPC suggests differences in polymer chain packing and/or chemical composition.
Magnetic resonance imaging (MRI) of the right knee demonstrated enlargement of the tibial nerve beginning at the distal thigh and extending into the popliteal fossa as seen on the axial fat-saturated proton density images (Figure 1).
3 is a sagittal proton density (PD) fat-saturated image of the right knee.
Don't just rely on the sagittal T2, but try variations like proton density or Short Tau Inversion Recovery (STIR).