<html><head></head><body bgcolor="#FFFFFF"><div>One way to tackle this is to assign HU of water or set in homogeneity correction off. Of course you need to compromise the accuracy!<br><br>Sent from my Phone</div><div><br>On 26-Jun-2012, at 11:56 PM, Scott Johnson <<a href="mailto:Scott.Johnson@neuwave.com">Scott.Johnson@neuwave.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I’m sure that you can take the image pixels from an MR image and pack it into a CT image, but it would be an extremely bad idea.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The planning system is going to believe that those pixels represent HU values and they don’t. The computed dose will have no bearing on reality.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> -- Scott<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p><div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> <a href="mailto:insight-users-bounces@itk.org">insight-users-bounces@itk.org</a> [mailto:insight-users-bounces@itk.org] <b>On Behalf Of </b>Bryant Chanowitz<br><b>Sent:</b> Tuesday, June 26, 2012 2:27 PM<br><b>To:</b> <a href="mailto:insight-users@itk.org">insight-users@itk.org</a><br><b>Subject:</b> [Insight-users] convert MRI to CT by changing dicom header<o:p></o:p></span></p></div></div><p class="MsoNormal"><o:p> </o:p></p><div><div><p class="MsoNormal" style="background:white"><span style="color:black">Hi,<o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black"><o:p> </o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black">We would like to import MRI images for radiation treatment planning but the planning system only takes CT images. Is there a way to fool the system by changing MRI dicom headers into CT headers? Any suggestions would be highly appreciated.<o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black"><o:p> </o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black">Bryant<o:p></o:p></span></p></div></div></div></div></blockquote><blockquote type="cite"><div><span>_____________________________________</span><br><span>Powered by <a href="http://www.kitware.com">www.kitware.com</a></span><br><span></span><br><span>Visit other Kitware open-source projects at</span><br><span><a href="http://www.kitware.com/opensource/opensource.html">http://www.kitware.com/opensource/opensource.html</a></span><br><span></span><br><span>Kitware offers ITK Training Courses, for more information visit:</span><br><span><a href="http://www.kitware.com/products/protraining.php">http://www.kitware.com/products/protraining.php</a></span><br><span></span><br><span>Please keep messages on-topic and check the ITK FAQ at:</span><br><span><a href="http://www.itk.org/Wiki/ITK_FAQ">http://www.itk.org/Wiki/ITK_FAQ</a></span><br><span></span><br><span>Follow this link to subscribe/unsubscribe:</span><br><span><a href="http://www.itk.org/mailman/listinfo/insight-users">http://www.itk.org/mailman/listinfo/insight-users</a></span><br></div></blockquote></body></html>