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3D fast spin-echo T1 black-blood imaging for the preoperative detection of venous sinus invasion by meningioma: comparison with contrast-enhanced MRV.

Not all tissues return back to equilibrium in the same amount of time, and a tissue's T1 reflects the amount of time taken for its protons' spins to realign with the main magnetic field B 0.

Clinical relevance of T1 and T2 Tissues that are bright on T1 Tissues that have a short T1 will be bright on T1 weighted images.

White blood cell WBC counts were slightly elevated and T2WI showed accumulation of synovial fluid and high intensity areas around the left hip joint ,.

The cellular elements are mainly erythrocytes red blood cells, RBCs containing hemoglobin Hb , the iron-based macromolecules responsible for oxygen transport.

T1 contrast and weighting The T1 time of a tissue is the time it takes for the excited spins to recover and be available for the next excitation.

An L1-norm phase constraint for half-Fourier compressed sensing in 3D MR imaging.

TR controls how far each vector can recover before it is excited by the next RF pulse.

, tumors, abscesses, inflammation herpes simplex encephalitis, multiple sclerosis, etc.