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High signal for paramagnetic substances, such as MRI contrast agents [2] Standard foundation and comparison for other sequences T2 weighted: T2: Measuring spin–spin relaxation by using long TR and TE times Higher signal for more water content [1] Low signal for fat in standard Spine Echo (SE), [1] though not with Fast Spin Echo/Turbo Spin ...
Blade of grass sign (also known as Flame sign) Blumensaat's line; Bohler's angle; Bone-within-a-bone appearance; Boomerang sign; Bow tie appearance; Bowl of grapes sign; Bowler hat sign; Brim sign; Bucket handle tear; Bulging fissure sign; Bunches of grapes sign (hepatic abscess) Bunch of grapes sign (botryoid rhabdomyosarcoma) Bunch of grapes ...
An MRI pulse sequence in magnetic resonance imaging (MRI) is a particular setting of pulse sequences and pulsed field gradients, resulting in a particular image appearance. [ 1 ] A multiparametric MRI is a combination of two or more sequences, and/or including other specialized MRI configurations such as spectroscopy .
A radiologic sign is an objective indication of some medical fact (medical sign) or quality that is detected by a radiologist during examination of a radiograph. Subcategories This category has only the following subcategory.
Arterial spin labeling (ASL), also known as arterial spin tagging, is a magnetic resonance imaging technique used to quantify cerebral blood perfusion by labelling blood water as it flows throughout the brain.
Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to generate pictures of the anatomy and the physiological processes inside the body. MRI scanners use strong magnetic fields , magnetic field gradients, and radio waves to form images of the organs in the body.
The dark areas on both sides of the intestines indicate that air is present in both sides. This is called "Rigler's sign". A radiologic sign is an objective indication of some medical fact (that is, a medical sign) that is detected by a physician during radiologic examination with medical imaging [1] (for example, via an X-ray, CT scan, MRI scan, or sonographic scan).
Magnetic resonance myelography (MR myelography or MRI myelography) is a noninvasive medical imaging technique that can provide anatomic information about the subarachnoid space. It is a type of MRI examination that uses a contrast medium and magnetic resonance imaging scanner to detect pathology of the spinal cord , including the location of a ...