$BBh(B2$B#92sF|K\IBM}3X2q6a5&;YIt3X=Q=82q8!F$>INc(B


$B#6#2#2!'Ev=i!$2hA|E*$KE>0\@-GY4b5?$$$H$5$l$?(B1$BNc(B

$B;TN):fIB1!!!IBM}!&8&5f2J(B(1)$B!"8F5[4oFb2J(B(2)$B!"Bg:eO+:RIB1!!!IBM}2J(B(3)

$BOBEDD>

$BEjI<7k2L(B

10$B!!(B
1
3$B!!(B
2$B!!(B
1
1$B!!(B
1$B!!(B

$B!!(B

Metastatic endometrial stromal sarcoma
$B!!!J$&$A(Bhigh grade$B!K(B
Pulmonary blastoma
Small cell carcinoma
$B!!!J$&$A(BNeuroectodermal$B!K(B
Primitive neuroectodermal tumor
Neuroectodermal tumor of uterus

$B8!F$7k2L(B

Metastatic endometrial stromal sarcoma
$B>INc(B 60$B:MBeA0H>!$=w@-(B
$B7P2a(B

$B!Z4{1}Nr![(B50$B:MBeA0H>!$;R5\Fy

$B!Z8=IBNr(I%$B8=>I![(B9$B$+7nA0$h$j31SV(B($B4%@-(B)$B$,$"$j!$(B3$BF|A0$+$i1&B&J"ItDK$b=P8=$7!$Ev1!Fb2J30Mho1"1FG'$a!$6;It(BCT$B$K$FE>0\@-GY4b5?$$$H$5$l!$B$1F(BCT$B$K$F@:::M=Ls$5$l$?!%$7$+$7!$6a=j$GI>H=$NK?Am9gIB1!$G?G;!$r4uK>$5$l!$Ev1!$h$j>R2p!%$=$N8e!$K?Am9gIB1!$K$FB$1F(BCT$B;#1F8e!$F~1!$H@:::$r4+$a$i$l$?$,!$=t;v>p$K$h$j!$Ev1!$G$NF~1!!$@:::$r4uK>$5$l!$(B2$B%v7n8e$K8F5[4oFb2JF~1!!%F~1!MbF|$K7PHiE*GY@88!;\9T!%(B50$B:MBeA0H>!$(BA$BIB1!$GH2q$7!$F~1!8e(B1$B%v7n$KIBM}:G=*?GCG!%F~1!Cf$NB$1F(BCT$B$K$F:8K$H$7$F!$2=3XNEK!$r$;$:$K$3$N$^$^B`1!$7!$<+BpNEM\$H$J$C$?!%F~1!8e(B2$B%v7nH>8eB`1!$5$l!$L5>I>u$G<+BpNEM\$5$l$F$$$?$,!$$=$N8e!$MFBV5^JQ$7!$(BB$BIB1!$K5_5^HBAw$5$l$?$,!$1JL2!%(BB$BIB1!$K$FK68!;\9T$5$l$:!%NW>2E*$K$OGY:I@r$GK4$/$J$C$?$H;W$o$l$k$H$N$3$H$G$"$k!%(B

$B!ZIBM}AH?%3XE*=j8+![%/%m%^%A%sNL$,Hf3SE*B?$$N`1_7A!AMq1_7A!AC;KB?n7A$N3K$rM-$76-3&ITL@NF$JC8L@!AC89%;@@-!A9%;@@-K&BN$r$b$C$?FbKl4V $BA#MM9=B$$r<($9>eHi:YK&$b$_$k$,(B, $BK;R2=$rH<$C$F CK(-)$B!$(BEMA(-)$B!$(BVimentin(+)$B!$(BS-100(-)$B!$(BDesmin(-)$B!$&A(B-SMA(-)$B!$(B
Myoglobin(-)$B!$(BChromogranin-A(-)$B!$(BCD56(NCAM)(+)$B!$(BSynaptophysin(+)$B!$(B
ER(+)$B!$(BPgR(focal positive)$B!$(BKi-67(MIB-1) labeling index:44%
$B!v(BCK$B!$(BEMA$B$O>eHiMM:YK&$G$OM[@-(B

$B!JI8K\$,>.$5$$$?$a!"AH?%A|Ey$O%$%s%?!<%M%C%H8x3+2hA|$r8f;2>H2<$5$$!K(B

$B $BBPJ*(B1$B!%(B25HE_$BA4BNA|(B$B!"(B$BBPJ*(B10HE_myxoid change$B!"(B$BBPJ*(B10HE_$B9P7d$,:YD9$$7l4I(B$B!"(B$BBPJ*(B10HE_$B@~0]2=$J$$$7>K;R2=(B$B!"(B$BBPJ*(B10HE_$BA#(B$B!"(B$BBPJ*(B10Ki67_1$B!"(B$BBPJ*(B10Ki67_2$B!"(B$BBPJ*(B10PgR$B!"(B$BBPJ*(B10Al-blue_myxoid change$B!"(B$BBPJ*(B10CK$B!"(B$BBPJ*(B10EMA$B!"(B$BBPJ*(B10ER$B!"(B$BBPJ*(B20HE_$B$S$^$s@-L)$J(B#C57F2$B!"(B$BBPJ*(B20HE_$B@~0]2=$J$$$7>K;R2=(B$B!"(B$BBPJ*(B20Ag_$B$9$@$lMM(B$B!"(B$BBPJ*(B20CD56(NCAM)$B!"(B$BBPJ*(B20Synaptophysin_#C57F4$B!"(B$BBPJ*(B20vimentin$B!"(B$BBPJ*(B40HE_mitosis1$B!"(B$BBPJ*(B40HE_mitosis2

$B#6#2#3!'(B$B1&g=ItI>u$rDh$7!$GY4b$,5?$o$l$?#1Nc(B

$BEDIm6=Iw2qKLLnIB1!!!NW>2IBM}It(B(1)$B!"5~ETBg3X!!

$BBkAc98>;(B1)$B!"9a7nF`JfH~(B1)$B!"N-!!9?GH(B1)$B!"9b66!!Nh(B2)$B!"86!!=EM:(B3)$B!"OBEb2mGn(B4)

$BEjI<7k2L(B

6$B!!(B
1
1
1
1
1
1$B!!(B
1$B!!(B
4$B!!(B
2$B!!(B
1
1
1$B!!(B

$B!!!!!!!!(B

Metastatic carcinoma
$B!!(B($B$&$A(BSkin adnexal cancer$B86H/(B)
$B!!(B($B$&$A(BLarge celled carcinoma)
Adenocarcinoma of lung
Adenocarcinoma
Lymphoepithelioma-like carcinoma
Clear cell carcinoma
Carcinoma with rhabdoid feature
Anaplastic large cell lymphoma
Malignant melanoma
$B!!(B($B$&$A(BMetastatic) $B!!(B
$B!!(B($B$&$A(BRhabdoid)
Metastatic undifferentiated epithelial tumor

$B8!F$7k2L(B

Epithelioid sarcoma
$B>INc(B $B#5#0:PBe8eH>!$=w@-(B
$B7P2a(B

$B!Z

$B!Z4{1}Nr![E|G"IB(B

$B!Z?&6H![

$B!Z$=$NB>![A!0]9)>l!J<+1D!K(B

$B!Z8=IBNr![Ev1!eGYLn$K $B $BDx$J$/(B2nd opinion$BL\E*$K$FK\1!6;It302J

$B!ZF~1!;~8!::@.@S![!J8!BN8!::@.@S!'>JN,!K(B

$B!ZF~1!;~(BMR$B8!::![1&g=ItHi2

$B!ZLdBjE@![IBM}AH?%?GCG(B
$B!J1&ptIt%j%s%Q@a@88!!K(B

$B 623_1.jpg$B!"(B623_2.jpg$B!"(B623_3.jpg

$B#6#2#4!'(B$B>.;y@eINc(B

$B<"2l0e2JBg3XBh0lIBM}(B (1)$B!"<"2l0e2JBg3XImB0IB1!IBM}It(B(2)$B!"<"2l0e2JBg3X8!::It(B (3)$B!"9qN)IB1!5!9=<"2lIB1!<*I!2J(B(4)

$BCfB<1Y;R(B1)$B!"6eEhN<<#(B 2)$B!"2,It1Q=S#2!$(B3)$B!"I~ItN4B'(B $B#1(B)$B!"J!Eg0lEP#4!K(B

$B!!!!(B$BEjI<7k2L(B

4$B!!(B
1
2$B!!(B
2$B!!(B
2$B!!(B
2$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B

$B!!!!!!(B

Hemangioendothelioma
$B!!!!!!!J$&$A(BEpithelioid$B!K(B
Capillary hemangioma (Jevenile form)
Paraganglioma
Granular cell tumor
Alveolar soft part sarcoma
Hemangioblastoma
Myofibroma
Histiocytosis X
Rhabdomyoma
Infantile myofibroma
Myoblastoma(granular cell tumor)

$B8!F$7k2L(B

Alveolar soft part sarcoma
$B>INc(B $B#0:PBeA0H>!"=w@-(B
$B7P2a(B

$B!Z4{1}Nr![!!FC5-$9$Y$-$3$H$O$J$7!#(B

$B!ZNW>27P2a![!!@e

$B!ZIBM}Fy4c=j8+![!!6-3&L@NF$J1_7A$N

$B!ZLdBjE@![!!IBM}3XE*?GCG!"NI0-@-!"<#NEJ}?K$K$D$$$F(B
$B!JG[IUI8K\$O@eFb.$5$$I8K\$J$N$G!"0lIt$NI8K\$GLL$,Ht$s$G$7$^$C$F$$$^$9!#$4N;>5$/$@$5$$!K!#(B

$B $B%k!<%Z(B$B!"(B$B$B!"(B$BCf3H(B$B!"(B$B6/3H(B1$B!"(B$B6/3H(B2$B!"(B$B6/3H(B3

$B#6#2#5!'(B$B4c5eFb

$BBg:eBg3XBg3X1!0e3X8&5f2J!!IBBVIBM}3X(B(1)$B!"!!4c2J(B(2)

$BF#EDLP1'H~7C;R#1!K!!?90f1Q0l#1!K!!!!!!(B
$BIZEDM5I'#1!K!!@D:{9nG7#1!K(B

$BEjI<7k2L(B

5$B!!(B
3$B!!(B
3$B!!(B
3$B!!(B
2
1$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B

$B!!!!!!!!(B

Mesectodermal leiomyoma
Neuroblastoma
Ependymoma
Astrocytoma
$B!!!J$&$A(BGrade II)
Glioneuroma
Ectopic glioma
Malignant melanoma
Glioma with ependymal element

$B8!F$7k2L(B

Mesectodermal leiomyoma
$B>INc(B $B#1#0:PBe8eH>!"=w@-(B
$B7P2a(B

$B!Zc32(B

$B!Z4{1}Nr!"2HB2Nr![FC5-;v9`L5$7(B

$B!Z8=IBNr![H>G/A0:"$h$j1&4cI!B&7kKl$K=<7l$rG'$a$?!%1&>eJ}$NL8;k$,=P8=$7!$;kLn>c32$,5^B.$K?J9T$7$?!%(B $B#2%v7n8e!$LVKlGmN%$rH<$&1&LSMMBN

$B!Z2hA|=j8+![(BMRI$B$K$F4c5e$K(BT1 high, T2 iso-density$B$N 123I IMP SPEC $B$K$F1&4c5e$K=8@QA}$rG'$a$k!%(B $BB>$KE>0\$rG'$a$J$$!%(B

$B!Z%^%/%m=j8+![L.MmKl2<$K6-3&L@NF!$CF@-9E!$(B 20x20x16mm$B$NGr?'$N

$B $B%^%/%m(B$B!"(B$B!_(B20$B!"(B$B!_(B40$B!"(B$B!_(B400

$B#6#2#6!'G>FbB?Ac@-IBAc$r<($75^B.$K?@7P>I>u$,0-2=$7$?#1Nc(B

$BF`NI8)N)0e2JBg3X!!IBM}IBBV3X(B

$BCfB<8wMx!"@PED1QOB!"EgED7<;J!">.@>!!EP(B

$BEjI<7k2L(B

$B!!(B9$B!!(B
2
2
1
1
1
3$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B

$B!!(B

Astrocytoma
$B!!!J$&$A(BGanglioglioma$B!K(B
$B!!!J$&$A(BAnaplastic$B!K(B
$B!!!J$&$A(BGemistocytic astrocytoma, grade II$B!K(B
$B!!!J$&$A(BOligoastrocytoma$B!K(B
$B!!!J$&$A(BOligodendroglioma$B!K(B
Progressive multifocal leucoencephalopathy
Acute demyelinating encephalomyelopathy
Multiple sclerosis
$B1j>I@-C&?q@-<@45(B
Demyelinating pseudotumor

$B8!F$7k2L(B

Inflammatory demyelinating leucoencephalopathy

$B>INc(B
30$B:MBeA0H>!"CK@-(B
$B7P2a(B

$B!Z4{1}Nr![2HB2Nr!'FC5-$9$Y$-;v$J$7(B

$B!Z8=IBNr![K\G/=i=\$h$jITL2$H$J$j!"0UM_$HH=CGNO$NDc2<$rc32$N=P8=$J$I>I>u$O0-2=$7$?!#=i?G8e#1%v7n!":G=i$K;\9T$5$l$?F,It(BCT$B$G0[>o$r;XE&$5$l!"K?1!G>?@7P302J$X>R2pF~1!$H$J$k!#F~1!;~?@7P3XE*0[>o=j8+$G$O(BJapanese coma scale; 20$B!"(Bdyscalculia$B!"(B4/5$BDxEY$N1&>e2<;hKcac$rG'$a$?!#(B

$B!ZF~1!8e7P2a![F~1!D>8e$+$i?@7P>I>u$N0-2=!J(B2/5$BDxEY$N1&>e2<;hKcac!"7P8}@]I>u$K$^$G2~A1$7$?!#(B

$B!Z2hA|=j8+![E>1!MbF|$N(BMRI$B$G!"N>B&BgG>H>5eHi1!8e#3=54V!J@88!A0F|!K$GB?Ac@-Gr

$B!ZLdBjE@![IBM}AH?%?GCG(B

$B IMAGE001$B!"(BIMAGE002$B!"(BIMAGE003$B!"(BIMAGE004

$B#6#2(B7$B!'(B$BG>FbB?H/IBJQ$N0l>.;yNc(B

$BBg:e;TN)Am9g0eNE%;%s%?!

$B0f>e!!7r(B1$B!K!"jj!!1Q^,(B1$B!K!">.NSMG

$BEjI<7k2L(B

$B!!(B7$B!!(B
1
1$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B
1$B!!(B

$B!!!!(B

Malignant Lymphoma
$B!!!!!J$&$A(BAnaplastic large cell$B!K(B
Glioma
Reticulohistiocytosis
Primitive neuroectodermal tumor
Subacute sclerosing panencephalitis
Medulloblastoma
Atypical teratoid/rhabdoid tumor

$B8!F$7k2L(B

Malignant Lymphoma, anaplastic large cell type
$B>INc(B 10$B:PBeA0H>!"=w;y(B
$B7P2a(B

$B!Zc32(B

$B!Z8=IBNr![(B
$B!!F,DK!"H/G.$K$F6a0ec32!"0U<1>c32$,=P8=$7(BMRI$B$GB?H/@-9E2=>I$,5?$o$l$?!#%9%F%m%$%I%Q%k%9NEK!3+;O$5$l!"$3$l$i$N>I>u$O0lC62~A1$7$?$,!"%9%F%m%$%I$rCfCG$9$k$H(BMRI$B$GB$1F8z2L$r@88!=Q$,;\9T$5$l$?!#(B

$B!Z2hA|=j8+![!J(BMRI$B!K(B
$B%9%F%m%$%IEjM?A0!';k8r:5!AN>B&;k?@7P!"N>B&A0F,MU!"B&F,MUHi5S!"N>B&;k>2$K(BT2$B6/D4A|$G9b?.9f!"B$1F8z2L$r $B%9%F%m%$%IEjM?8e!'>e5-IBJQ$O$[$\>C<:(B
$B%9%F%m%$%ICf;_#2%v7n8e!'1&B&F,MUA0It!"B&G><<<~0O!"1&BgG>5S!"N>B&;k>2$NIBJQ$OA}Bg!"1&A0F,MU>eIt$K$O?7$?$JIBJQ$,=P8=$7$?$,!"N>B&A0F,MUHi.$7$?$^$^(B

$B!JI8K\$,>.$5$$$?$a!"AH?%A|Ey$O%$%s%?!<%M%C%H8x3+2hA|$r8f;2>H2<$5$$!K(B

$B MRI$B!"(BHE1$B!"(BHE2$B!"(BHE3