$BBN<4J}8~$NI>2A$K$D$$$F(J

$B3AK\??0l(J

$B$O$8$a$K(J

 $B9bB.Mf@{7?(JCT$B$NFCD'$H$7$F%\%j%e%&%`%G!<%?$,F@$i$l$k$H8@$&$3$H$O8@$&$^$G$b$J$$$,(J,$B$3$N%G!<%?$r2hA|$K$9$k$?$a$K$O(JConventional CT$B$K$OL5$+$C$?Jd4V:F9=@.$H$$$&=hM}$r$7$J$1$l$P$J$i$:(J,$BEvA3$=$N2hA|$O(JConventional CT$B$N$=$l$H$O0c$C$?$b$N$H$J$k(J.$B2hA|$r07$&J|r7o$G$"$k(J.
 $B8=:_(JX$B@~(JCT$B$N@-G=I>2A$K4X$7$F$NJs9p$O(J,$BF|K\0e3XJ|2A0Q0w2q$NBh(J2$B]$G$"$jMf@{7?(JCT$B$K$O$=$0$o$J$$ItJ,$,$"$k(J.$B%9%i%$%98|(J,$BBN<4J}8~$N9b%3%s%H%i%9%HJ,2rG=(J,$BDc%3%s%H%i%9%HJ,2rG=$J$I$,$=$l$G$"$j(J,$B$3$l$i$NI>2AK!$rAa5^$K7hDj$9$Y$-;~4|$KMh$F$$$k$H;W$o$l$k(J.
 $B:#2s%9%i%$%98|(J,$BBN<4J}8~$N9b%3%s%H%i%9%HJ,2rG=$K$D$$$F%Q%i%a!<%?$rJQ2=$5$;$FB,Dj$7$?$N$G 

$B%9%i%$%9%W%m%U%!%$%k(J

 $B:#2s;HMQ$7$?%G!<%?$OA4$FEl2A$K(J0.5$B!A(J1.0mm$B$N%9%j%C%H$NF~$C$?J,2rG=I>2AMQ%U%!%s%H%`(J(Fig. 2)$B$r;HMQ$7APJ}CGAXLL$KBP$7?bD>8GDj$K$F5a$a$?$b$N$G$9(J.$B$3$3$G(Jcoin$BK!$G$N%9%i%$%9%W%m%U%!%$%kB,Dj$O(J96' JMCP$B$K$F;6Mp@~Ey$K$h$j@53N@-$r7g$/$3$H$,J,$+$C$F$$$k$,(J,$B%Q%i%a!<%?JQ2=$K$h$k%9%i%$%98|Ey$NFC@-$r8+$k$?$a$K$OLdBjL5$7$H9M$(MQ$$$?(J.
 

$B%9%i%$%98|(J

 $B$^$:pJs$N8|$_!Y$HDj5A$G$-$k$G$"$m$&(J.$B%9%i%$%98|$NB,DjK!$K$OMM!9$JJ}K!$,$"$k$,:#2s$O(Jcoin$BK!$G%9%i%$%9%W%m%U%!%$%k$NH>CMI}$r 

$BJd4VK!$K$h$kJQ2=(J

  Fig. 3$B$K(J180$BEYJd4V(J,360$BEYJd4V$N%9%i%$%9%W%m%U%!%$%k$r<($9(J.$BCmL\$9$Y$-E@$O%W%m%U%!%$%k$N(Jpeak$B$H?~$NItJ,$G(J360$BEYJd4V$G$O(Jpeak$B$NDc2<$H?~$N9-$,$j$,8+$i$lH>CMI}$rCMI}$r<($9(J.$B$^$?BN<4J}8~$N9b%3%s%H%i%9%HJ,2rG=$,$I$NDxEYJQ2=$9$k$+(JMPR$B$GD4$Y$F8+$k$H(JFig. 4$B$NMM$K%T!<%/$,JQ2=$7$F$$$k$3$H$,J,$+$k(J.$B0lJ}(J3D$B$NJQ2=$OEvA3(J180$BEYJd4V$NJ}$,NI$/8+$($k$,$7$-$$CM$N@_Dj$@$1$G$b8+$(J}$,JQ$o$C$F$7$^$&$N$G;k3PI>2A$G$OC1=c$K$OHf3S$G$-$J$$(J.
 

$B%F!<%V%k%9%T!<%IJQ2=(J

 Fig. 5$B$K%9%i%$%9%W%m%U%!%$%kJQ2=$r<($9$,EvA3%9%T!<%I$r>e$2$k$H;HMQ$9$k%G!<%?$bBN<4J}8~$K9-$,$k$N$G(J,$B?~$NItJ,$N9-$,$j$,8+$i$l(J,coin$BItJ,$rDL$k%G!<%?$,>/$J$$$?$a(Jpeak$B$NDc2<$,8+$i$lH>CMI}$O9-$,$k(J.($BJd4VK!JQ2=$N;~$HF1$8MM$JJQ2=$r$9$k$,:,K\E*MW0x$O0[$J$k(J)$BCMI}$NJQ2=$r(JTable 2,Fig. 6$B$K<($9(J.Fig. 6$B$h$j$"$k0lDj%9%T!<%I0J>e$K$J$k$HH>CMI}$N>e>:$,5^7c$K$J$k$3$H$,J,$+$k(J.$B$3$3$G$O(J,180$BEYJd4V$G$O@_Dj%9%i%$%98|$rD6$($kB.EY(J,360$BEYJd4V$G$O@_Dj%9%i%$%98|$NH>J,0J>e$NB.EY$+$iH>CMI}$N>e>:$,Bg$-$/$J$C$F$k(J.$B0lJ}J,2rG=$G$O(JMPR(Fig. 7)$B$GJ,$+$k$h$&$K(J1mm$B8|(J1mm/r $B$G(J0.6mm$B$^$GJ,2r$G$-$?$b$N$,B.EY$r(J3$BG\$K$9$k$H(J1.0mm$B$bJ,2r$G$-$J$/$J$C$F$7$^$&(J.$B%F!<%V%kB.EY0MB8@-$,Bg$-$$$3$H$,J,$+$k(J.($BM>CL$G$O$"$k$,:Y$+$/;#$m$&$H;W$C$FI,MW0J>e$KB.EY$r2<$2$k$3$H$N0U5A(J,$B9-$$HO0O$rAa$/;#$m$&$H;W$C$FB.EY$r>e$2$F$7$^$&$3$H$N0UL#$,==J,J,$+$C$?>e$G$N;#1F$,I,MW$@$H;W$&(J.)
 

$B0LCV0MB8@-(J

 $B0LCV0MB8@-B,DjMQ%U%!%s%H%`(J(Fig. 8)$B$K$h$j(JFOV$BFb(J60$B2U=j$N8|$_$rD4$Y$?7k2L(JFig. 9$B$h$jM-0U:9$O8+$i$l$J$+$C$?(J.(180$BEYJd4V(J)$B%9%i%$%98|$N0LCV0MB8@-$O$J$$$H8@$C$FNI$$$N$G$O$J$$$@$m$&$+(J.
 

$B:F9=@.4X?tJQ2=$K$h$k(JMPR,3D$BJQ2=(J

 MPR(Fig. 10)$B$K$h$kJQ2=$O;k3PE*$K$O8+$i$l$J$$$,(J3D(Fig. 11)$B$G$O(JBone$B4X?t$G8+$K$/$/$J$C$F$$(J.$B$k$3$l$O(JFig. 10$B$N3HBgItJ,$N$,$?$D$-$,1F6A$7$?$?$a$H9M$($i$l(J,$BJ,2rG=B,Dj$K$O$^$:@-G=I>2A4X?t$r;HMQ$9$k$N$,NI$$$N$G$O$J$$$+$H;W$o$l$k(J.($B2$G;HMQ$7$J$$4X?t$r;H$C$F$NI>2A$K$I$s$J0UL#$,$"$k$N$+(J? $B$H;W$&?M$b$$$k$+$bCN$l$J$$$,@-G=I>2A4X?t$O@8%G!<%?$r$h$j(Jpure$B$K2hA|2=$7$?$N$b$G$"$jAuCV$N=c$J@-G=$rI=8=$7$F$$$k(J,$B$9$J$o$A%=%U%HLL$@$1$N99?7$K$h$C$F$b$C$HNI$$2hA|$,F@$i$l$k2DG=@-$NM-L5$,H=$k(J.)
 

$B$^$H$a(J

  1.  $BCMI}(J)$B$O(J360$BEYJd4V$h$j$b(J180$BEYJd4V$NJ}$,Gv$$(J
  2.  $B%F!<%V%k%9%T!<%I0MB8@-$O(J360$BEYJd4V$NJ}$,6/$/(J,$B0lDjB.EY$rD6$($k$H%9%i%$%98|$K6/$/1F6A$9$k(J.
  3.  $B0LCV0MB8@-$KM-0U:9$O8+$i$l$J$+$C$?(J
  4.  $BJ,2rG=B,Dj$K$O@-G=I>2A4X?t$,Bh(J1$BA*Br$H$5$l$k$Y$-$G$"$k(J.
 

$BLdBjE@(J

 $B:#2s%9%i%$%9%W%m%U%!%$%k$NH>CMI}$r$K(J1/5$BI}(J,1/10$BI}(J,1/10$BLL@QI}$J$I$,$"$k(J.$B$7$+$7Mf@{>u(JCT$B$G$O;#1F>r7o$K$h$C$F%9%i%$%9%W%m%U%!%$%k$N7A>uJQ2=$,Bg$-$$$?$a(J,$B$3$l$i$NI}$N$_$GI=8=$9$k$3$H$,$G$-$J$$(J.$Bu$G<($5$l$k$b$N$G$"$j(J,$B$3$l$rI=8=$9$k$"$k9`L\$,I,MW$@$m$&(J.
 

$BJdB-(J

 $B:#2s$N%7%s%]%8%&%`$N=`HwCf$K(J,$B$"$k?M$+$i!XF1Ey$N%9%i%$%9%W%m%U%!%$%k$r0c$&%Q%i%a!<%?$G5a$a$k;v$,$G$-$k$N$+(J?$B!Y$H8@$&Ds8@$r$N@_Dj%9%i%$%98|$K$*$$$F$bF1MM$N$3$H$,8@$($k$H$9$l$PHoGz$d;#1F;~4V$N1dD9$J$I$NLdBj$O$"$k$,(JSN$B$NNI$$(J360$BEYJd4V$r8B$i$l$?HO0O$G$"$l$P==J,;HMQ2DG=$J$N$G$O$J$$$@$m$&$+(J.
 

$BJ8(J  $B8%(J

  1.  $B@lLg0Q0w2q(J(X$B@~(JCT$BAuCV@-G=I>2A8!F$HI(J):X$B@~(JCT$BAuCV@-G=I>2A$K4X$9$k4p=`(J($B0F(J),$BF|J|5;3X(J,$B;o(J47(1),56$B!>(J63,(1991)
  2.  $B0f8640M-(J,$BB>(J:$B%X%j%+%k%9%-%c%sMQ@-G=I>2A%U%!%s%H%`$rMQ$$$?%9%i%$%98|B,DjK!$N8!F$(J,$BF|J|5;3X;o(J,48(8),1183,(1992)
  3.  $B0f8640M-(J,$BB>(J:$B%X%j%+%k%9%-%c%sMQ@-G=I>2A%U%!%s%H%`$rMQ$$$?%9%i%$%98|B,DjK!$N8!F$(JNo2,$BF|J|5;3X;o(J,49(2),137,(1993)
  4.  $BDT2,>!H~(J,$BB>(J:$B9bB.(JCT$BAuCV$K$h$k%X%j%+%k%9%-%c%s$N4pACE*8!F$(J($BBh(J4$BJs(J $B%9%i%$%9LL3FE@$N%9%i%$%98|$NJQ2=$K$D$$$F(J),$BF|J|5;3X;o(J,48(8),1180,(1992)
  5.  $B0f8640M-(J,$BB>(J:HelicalScan$B$N2hA|:F9=@.=hM}K!$K$h$k%9%i%$%98|$N8!F$(J,$BF|J|5;3X;o(J,49(8),1345,(1993)
  6.  $BGO>l?N(J,$BB>(J:$B%(%"!<%.%c%C%WK!$K$h$k%X%j%+%k%9%-%c%s$NCGAX8|$5$NB,Dj(J,$BF|J|5;3X;o(J,49(8),1344,(1993)
  7.  $B0fE{20=$(J,$BB>(J:$B%P%j%"%V%k(JJETT Scan$BK!$K$h$k2hA|I>2A(J,$BF|J|5;3X;o(J,50(2),131,(1994)
  8.  $B@DLZ@?(J,$BB>(J:Spiral Volumetric CT$B$K$*$1$k2hA|%9%i%$%98|$NB,Dj(J($B-7(J.$B=E$_IU$1$r9MN8$7$?B,Dj(J),$BF|J|5;3X;o(J,50(8),1369,(1994)
  9.  $BHSED=$0l(J,$BB>(J:Spiral Volumetric CT$B$K$h$k%9%i%$%98|B,Dj(J($B%Q!<%7%c%k%\%j%e%&%`K!$H%3%$%sK!$H$NHf3S(J),$BF|J|5;3X;o(J,51(3),217,(1995)
  10.  $BElLZM42p(J,$BJRAR=SI'(J,$BB>(J:$B%X%j%+%k%9%-%c%s$NJ*M}E*FC@-(J.$B%X%j%+%k%9%-%c%s$N4pAC$HNW>2(J $B0eNE2J3X(J140
  11.  $B5\2<=!<#(J,$BB>(J:$B9bB.Mf@{(JCT$BAuCV$N@-G=I>2A(J($BBh(J1$BJs(J $BBN<4J}8~J,2rG=$N8B3&$K$D$$$F(J),$BF|J|5;3X;o(J,51(10),1462,(1995)
  12.  $BDT2,>!H~(J:$B%X%j%+%k(JCT$B%7%9%F%`$N5;=QE*LdBjE@(J $B!A(J $B@-G=I>2A$H
  13.  $BF|CV?.M:(J:$B%\%j%e!<%`%9%-%c%J!<(JSOMATOM PLUS $B!A(J $B%9%Q%$%i%k%9%-%c%s$NFCD'$HLdBjE@(J $B!A(J,$BF|0eJs(J,38(3),98$B!>(J108,(1993)
  14.  $B9S4\Gn(J:$B%X%j%+%k%9%-%c%s(JCT$B$N5;=Q$H2]Bj(J,$BF|0eJs(J,38(3),109$B!>(J114,(1993)
  15.  $B9bLZGn(J:$B%\%j%e!<%`%9%-%c%s$N8=>u$H2]Bj(J,$BF|0eJs(J,38(3),115$B!>(J121,(1993)
  16.  $B6?Ln@?(J,$BB>(J:$BMf@{>u%9%-%c%s$N8=>u$HLdBjE@(J,$BF|0eJs(J,38(3),122$B!>(J128,(1993)
$B!!(J $B!!!!(J 
Copyright (C) 1995-1997, All rights reserved.
$B!J