Evaluation of a PET prototype using LYSO:Ce monolithic detector blocks
We have analyzed the performance of a PET demonstrator formed by two sectors of four monolithic detector blocks placed face-to-face. Both front-end and read-out electronics have been evaluated by means of coincidence measurements using a rotating 22 Na source placed at the center of the sectors in o...
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| creator | Cuerdo, R. Sarasola, I. Garcia de Acilu, P. Navarrete, J. Canadas, M. Oller, J. C. Cela, J. M. Rato Mendes, P. Romero, L. Willmott, C. |
| description | We have analyzed the performance of a PET demonstrator formed by two sectors of four monolithic detector blocks placed face-to-face. Both front-end and read-out electronics have been evaluated by means of coincidence measurements using a rotating 22 Na source placed at the center of the sectors in order to emulate the behavior of a complete full ring. A continuous training method based on neural network (NN) algorithms has been carried out to determine the entrance points over the surface of the detectors. Reconstructed images from 1 MBq 22 Na point source and 22 Na Derenzo phantom have been obtained using both filtered back projection (FBP) analytic methods and the OSEM 3D iterative algorithm available in the STIR software package [1]. Preliminary data on image reconstruction from a 22 Na point source with Ø = 0.25 mm show spatial resolutions from 1.7 to 2.1 mm FWHM in the transverse plane. The results confirm the viability of this design for the development of a full-ring brain PET scanner compatible with magnetic resonance imaging for human studies. |
| doi_str_mv | 10.1109/NSSMIC.2011.6152605 |
| format | Conference Proceeding |
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C. ; Cela, J. M. ; Rato Mendes, P. ; Romero, L. ; Willmott, C.</creator><creatorcontrib>Cuerdo, R. ; Sarasola, I. ; Garcia de Acilu, P. ; Navarrete, J. ; Canadas, M. ; Oller, J. C. ; Cela, J. M. ; Rato Mendes, P. ; Romero, L. ; Willmott, C.</creatorcontrib><description>We have analyzed the performance of a PET demonstrator formed by two sectors of four monolithic detector blocks placed face-to-face. Both front-end and read-out electronics have been evaluated by means of coincidence measurements using a rotating 22 Na source placed at the center of the sectors in order to emulate the behavior of a complete full ring. A continuous training method based on neural network (NN) algorithms has been carried out to determine the entrance points over the surface of the detectors. Reconstructed images from 1 MBq 22 Na point source and 22 Na Derenzo phantom have been obtained using both filtered back projection (FBP) analytic methods and the OSEM 3D iterative algorithm available in the STIR software package [1]. Preliminary data on image reconstruction from a 22 Na point source with Ø = 0.25 mm show spatial resolutions from 1.7 to 2.1 mm FWHM in the transverse plane. 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C.</creatorcontrib><creatorcontrib>Cela, J. M.</creatorcontrib><creatorcontrib>Rato Mendes, P.</creatorcontrib><creatorcontrib>Romero, L.</creatorcontrib><creatorcontrib>Willmott, C.</creatorcontrib><title>Evaluation of a PET prototype using LYSO:Ce monolithic detector blocks</title><title>2011 IEEE Nuclear Science Symposium Conference Record</title><addtitle>NSSMIC</addtitle><description>We have analyzed the performance of a PET demonstrator formed by two sectors of four monolithic detector blocks placed face-to-face. Both front-end and read-out electronics have been evaluated by means of coincidence measurements using a rotating 22 Na source placed at the center of the sectors in order to emulate the behavior of a complete full ring. A continuous training method based on neural network (NN) algorithms has been carried out to determine the entrance points over the surface of the detectors. Reconstructed images from 1 MBq 22 Na point source and 22 Na Derenzo phantom have been obtained using both filtered back projection (FBP) analytic methods and the OSEM 3D iterative algorithm available in the STIR software package [1]. Preliminary data on image reconstruction from a 22 Na point source with Ø = 0.25 mm show spatial resolutions from 1.7 to 2.1 mm FWHM in the transverse plane. The results confirm the viability of this design for the development of a full-ring brain PET scanner compatible with magnetic resonance imaging for human studies.</description><subject>Application specific integrated circuits</subject><subject>Continuous wavelet transforms</subject><subject>Crystals</subject><subject>Magnetic resonance imaging</subject><subject>Magnetosphere</subject><subject>Positron emission tomography</subject><subject>Three dimensional displays</subject><issn>1082-3654</issn><issn>2577-0829</issn><isbn>1467301183</isbn><isbn>9781467301183</isbn><isbn>1467301205</isbn><isbn>1467301191</isbn><isbn>9781467301206</isbn><isbn>9781467301190</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2011</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo9kN9KwzAYxeM_sM49wW7yAq35kuZL452UTQfTCZ0XXo20TTXaNaXNhL29A4fn5sD5weFwCJkBSwCYvnspiudlnnAGkCBIjkyekRtIUQkGnMlzEnGpVMwyri_-AWTikkRwDGOBMr0m03H8Ykch6jSVEVnMf0y7N8H5jvqGGvo639B-8MGHQ2_pfnTdB129F-v73NKd73zrwqeraG2DrYIfaNn66nu8JVeNaUc7PfmEvC3mm_wpXq0fl_nDKnagZIirGsFKzrIyq0EhGmNQZaYGzcuyaiQeN8paa8sEk9iUtVBWMdRguRYZGjEhs79eZ63d9oPbmeGwPf0hfgGeVk9E</recordid><startdate>201110</startdate><enddate>201110</enddate><creator>Cuerdo, R.</creator><creator>Sarasola, I.</creator><creator>Garcia de Acilu, P.</creator><creator>Navarrete, J.</creator><creator>Canadas, M.</creator><creator>Oller, J. 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M.</creatorcontrib><creatorcontrib>Rato Mendes, P.</creatorcontrib><creatorcontrib>Romero, L.</creatorcontrib><creatorcontrib>Willmott, C.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE/IET Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Cuerdo, R.</au><au>Sarasola, I.</au><au>Garcia de Acilu, P.</au><au>Navarrete, J.</au><au>Canadas, M.</au><au>Oller, J. C.</au><au>Cela, J. M.</au><au>Rato Mendes, P.</au><au>Romero, L.</au><au>Willmott, C.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Evaluation of a PET prototype using LYSO:Ce monolithic detector blocks</atitle><btitle>2011 IEEE Nuclear Science Symposium Conference Record</btitle><stitle>NSSMIC</stitle><date>2011-10</date><risdate>2011</risdate><spage>3342</spage><epage>3346</epage><pages>3342-3346</pages><issn>1082-3654</issn><eissn>2577-0829</eissn><isbn>1467301183</isbn><isbn>9781467301183</isbn><eisbn>1467301205</eisbn><eisbn>1467301191</eisbn><eisbn>9781467301206</eisbn><eisbn>9781467301190</eisbn><abstract>We have analyzed the performance of a PET demonstrator formed by two sectors of four monolithic detector blocks placed face-to-face. Both front-end and read-out electronics have been evaluated by means of coincidence measurements using a rotating 22 Na source placed at the center of the sectors in order to emulate the behavior of a complete full ring. A continuous training method based on neural network (NN) algorithms has been carried out to determine the entrance points over the surface of the detectors. Reconstructed images from 1 MBq 22 Na point source and 22 Na Derenzo phantom have been obtained using both filtered back projection (FBP) analytic methods and the OSEM 3D iterative algorithm available in the STIR software package [1]. Preliminary data on image reconstruction from a 22 Na point source with Ø = 0.25 mm show spatial resolutions from 1.7 to 2.1 mm FWHM in the transverse plane. The results confirm the viability of this design for the development of a full-ring brain PET scanner compatible with magnetic resonance imaging for human studies.</abstract><pub>IEEE</pub><doi>10.1109/NSSMIC.2011.6152605</doi><tpages>5</tpages></addata></record> |
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| issn | 1082-3654 2577-0829 |
| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Application specific integrated circuits Continuous wavelet transforms Crystals Magnetic resonance imaging Magnetosphere Positron emission tomography Three dimensional displays |
| title | Evaluation of a PET prototype using LYSO:Ce monolithic detector blocks |
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