An MRI (magnetic resonance imaging) scan is a imaging test that uses powerful magnets and radio waves to create pictures of the body. It does not use radiation (x-rays).
Single MRI images are called slices. The images can be stored on a computer or printed on film. One exam produces dozens or sometimes hundreds of images.
For more information, see the specific MRI topics:
Magnetic resonance imaging; Nuclear magnetic resonance...
Read moreFull Question:I am a 34 year old female. A recent MRI showed 15-20 lesions. The neurologist said that since the lesions were not deep, the... Read more »
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Source: ADAM Encyclopedia
Headache - migraine Symptoms Vision disturbances, or aura, are considered a "warning sign" that a migraine is coming. The aura occurs in... Read more »
Source: ADAM Encyclopedia
Headache - mixed tension migraine Symptoms Headache on one or both sides Throbbing painMay feel dull, tight, or like a band around... Read more »
Source: ADAM Encyclopedia
Migraine - classic; Headache - migraine with aura Treatment To learn what may be triggering your migraine headaches, keep a headache... Read more »
My technician recently told me, just before sending me gliding through an MRI tube, that MRI scans were once an uncommon breast exam. He performed... Read more »
Source: ADAM Encyclopedia
Histamine headache; Headache - histamine; Migrainous neuralgia; Headache - clusterSymptomsA cluster headache begins as a severe, sudden headache. The... Read more »