Method for restricting region for magnetic resonance imaging
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United States of America Patent
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Feb 18, 1992
Grant Date -
N/A
app pub date -
Jun 22, 1990
filing date -
Dec 25, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The method for restricting a region for magnetic resonance imaging, in accordance with the present invention, comprising a step of measuring a spin-echo signal from an object by a pulse sequence of Fourier transformation technique; a step of measuring a spin-echo signal from an object by a pulse sequence comprising adding a selective 180.degree..+-.x pulse and a selective 180.degree..+-.y pulse following a 180.degree. pulse in the pulse sequence of Fourier transform technique, the integral of gradient magnetic fields for selection thereof being 0; and a step of reconstructing an image from the addition or subtraction between the spin-echo signals measured by the two sequences.
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