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X-RAY CT APPARATUS, MYOCARDIAL PERFUSION INFORMATION GENERATING SYSTEM, X-RAY DIAGNOSTIC METHOD AND MYOCARDIAL PERFUSION INFORMATION GENERATING METHOD

  • US 20080273782A1
  • Filed: 03/07/2008
  • Published: 11/06/2008
  • Est. Priority Date: 03/09/2007
  • Status: Active Grant
First Claim
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1. An X-ray CT apparatus comprising:

  • an image generating unit configured to acquire projection data at rest and projection data at non-rest from a myocardial part of an object into which contrast medium is injected continuously at the rest and at the non-rest respectively in a state in which each concentration of the contrast medium can be considered to be constant and reconstruct contrast CT image data at the rest and contrast CT image data at the non-rest using the acquired projection data at the rest and the acquired projection data at the non-rest respectively; and

    a blood flow information acquiring unit configured to obtain third blood flow information based in first blood flow information derived from the contrast CT image data at the rest and second blood flow information derived from the contrast CT image data at the non-rest.

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