Application To Medical Imaging: The Magic Angle Artifact
The magic angle artifact refers to the increased signal on sequences with short echo time (TE) (e.g., T1 or PD Spin Echo sequences ) in MR images seen in tissues with well-ordered collagen fibers in one direction (e.g., tendon or articular hyaline cartilage). This artifact occurs when the angle such fibers make with the magnetic field is equal to .
Example: This artifact comes into play when evaluating the rotator cuff tendons of the shoulder. The magic angle effect can create the appearance of supraspinatus tendinitis.
Read more about this topic: Magic Angle
Famous quotes containing the words application to, application, medical, magic, angle and/or artifact:
“If you would be a favourite of your king, address yourself to his weaknesses. An application to his reason will seldom prove very successful.”
—Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)
“Courage is resistance to fear, mastery of fear—not absence of fear. Except a creature be part coward it is not a compliment to say it is brave; it is merely a loose application of the word. Consider the flea!—incomparably the bravest of all the creatures of God, if ignorance of fear were courage.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)
“There may perhaps be a new generation of doctors horrified by lacerations, infections, women who have douched with kitchen cleanser. What an irony it would be if fanatics continued to kill and yet it was the apathy and silence of the medical profession that most wounded the ability to provide what is, after all, a medical procedure.”
—Anna Quindlen (b. 1952)
“Has the world ever been changed by anything save the thought and its magic vehicle the Word?”
—Thomas Mann (1875–1955)
“The good lawyer is not the man who has an eye to every side and angle of contingency, and qualifies all his qualifications, but who throws himself on your part so heartily, that he can get you out of a scrape.”
—Ralph Waldo Emerson (1803–1882)
“this quilt might be
the only perfect artifact a woman
would ever see, yet she did not doubt
what we had forgotten, that out of her
potatoes and colic, sawdust and blood
she could create ...”
—Marge Piercy (b. 1936)