7. NEOP PKH
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Neoplasia
DR. Karyono Mintaroem, dr.,SpPA
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Neoplasia
DefinisiNomenklatur / Tatanama
Jenis neoplasma :
epielial / mesenkimal !inak / mali"na
#onto$%onto tumor
Dasar molekuler
&fek tumor ost
&pidemiolo"i
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• N&'P(ASM )*illis, +-
• 0A neoplasm is an a1normalmass of tissue, te "ro2t of2i% e3%eeds and isun%oordinated 2it tat of tenormal tissues and persists in te
same e3%essi4e manner after%essation of te stimuli 2i%e4oked te %an"e.5
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Terminolo"i
• on%olo"y: studi tentan" tumor• neoplasma 6 tumor• neoplasia: pertum1uan 1aru,
otonom, tidak adanya mekanismerespon teradap kontrol
pertum1uan, tidak terkoordinir,tetap tum1u meskipun stimulisuda diilan"kan.
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Tatanama / nomenklatur
• Neoplasma !inak parenkim 9 akiran 0oma5
mesenkim
• Neoplasma "anas
parenkim 9 akiran 0%ar%inoma5mesenkim 9 akiran 0sar%oma5
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Jenis neoplasma :
• eni"n / !inak : terlokalisir, muda dioperasi, penderita
tetap idup.• Mali"nant / "anas :in4asif, dapat merusak struktur
!arin"an dan menye1ar ke !arin"an /or"an yan" !au )metastasis; penderitamun"kin %epat menin""al.
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#onto tumor !inak epitelial
• adenoma: tu !inak kelen!ar
• papiloma : tu !inak epitel skuamosa,epitel transisional
• polip : tu pada mukosa :
neoplastik , non$neoplastik
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Figure 7-1 Papilloma of the colon with finger-like projections into the lumen. (Courtesy of Dr. Trace
orrell! "ni#ersity of Te$as %outhwestern &e'ical %chool! Dallas! T.)
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Figure 7-* Colonic polyp. +! This ,enign glan'ular tumor (a'enoma) is projecting into the
colonic lumen an' is attache' to the mucosa ,y a 'istinct stalk. ! ross appearance of
se#eral colonic polyps.
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Figure 7-/ enign tumor (a'enoma) of the thyroi'. 0ote the normal-looking (well-'ifferentiate')!
colloi'-fille' thyroi' follicles. (Courtesy of Dr. Trace orrell! "ni#ersity of Te$as %outhwestern
&e'ical %chool! Dallas! T.)
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#onto tumor "anas epitelial
• &pidermoid %ar%inoma /s
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Figure 7-1 ell-'ifferentiate' s2uamous cell carcinoma of the skin. The tumor cells are strikingly similar to
normal s2uamous epithelial cells! with intercellular ,ri'ges an' nests of keratin pearls (arrow). (Courtesy of Dr.
Trace Worrell, University of Texas Southwestern Medical School, Dallas, TX.)
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Figure 7-7 &alignant tumor (a'enocarcinoma) of the colon. 0ote that compare' with the well-forme' an' normal-looking glan's
characteristic of a ,enign tumor (see Fig. 7-/)! the cancerous glan's are irregular in shape an' si3e an' 'o not resem,le the normal colonic
glan's. This tumor is consi'ere' 'ifferentiate' ,ecause glan' formation can ,e seen. The malignant glan's ha#e in#a'e' the muscular
layer of the colon. (Courtesy of Dr. Trace orrell! "ni#ersity of Te$as %outhwestern &e'ical %chool! Dallas! T.)
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#onto tumor !inak mesenkimal
• =i1roma : !arin"an ikat• (eiomyoma : !arin"an otot polos• Ra1domyoma : !arin"an otot
1er"aris• #ondroma : !arin"an tulan" ra2an
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Figure 7-4 5eiomyoma of the uterus. This ,enign! well-'ifferentiate' tumor contains interlacing ,un'les of
neoplastic smooth muscle cells that are #irtually i'entical in appearance to normal smooth muscle cells in the
myometrium.
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#onto tumor "anas
mesenkimal
• =i1rosar%oma• (eiomyosar%oma• Ra1domyosar%oma• #ondrosarkoma
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Figure 7-6 +naplastic tumor of the skeletal muscle (rha,'omyosarcoma). 0ote the marke' cellular an'
nuclear pleomorphism! hyperchromatic nuclei! an' tumor giant cells. (Courtesy of Dr. Trace orrell!
"ni#ersity of Te$as %outhwestern &e'ical %chool! Dallas! T.)
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• >stila 01eni"n5 dan 0mali"nant5
menun!ukkan sifat )1ea4ior1iolo"ik tumor
• Sifat 1iolo"ik ditentukan oledera!at diferensiasi tumor dan
ke%epatan tum1u )!u"a ke%epatankematian sel
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Diferensiasi
• Tumor 02ell$differentiated5 terdiriatas sel$sel mirip den"an sel normalasalnya
• Tumor 0poorly$differentiated5 atau0undifferentiated5 terdiri atas sel$sel
yan" tidak mirip den"an sel normalasalnya )perlu pemeriksaan kususuntuk men"etaui asalnya
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• Tumor !inak terdiri atas sel$
sel 02ell$ differentiated5
• Tumor "anas ditandai den"andiferensiasi seluler yan"
san"at 1er4ariasi.
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Dysplasia
• ?ilan"nya or"anisasi arsitektural danuniformitas sel pada epitelium• pleomorfisme and mitosis le1i
prominen dari pada normal• Di1a"i dalam "rade / dera!at : mild,
moderate, se4ere, dan %ar%inoma$in$
situ• Dysplasia mild $ moderate masi 1isa
re4ersi1le
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Dysplasia
• Dysplasia @ proliferasi non$ neoplastik
• Dysplasia mun"kin men"alami
pro"resi men!adi kanker.
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&4aluasi sitomorfolo"i padake%uri"aan ke"anasan
• Anisonu%leosis )a1normal sie and sapeof nu%leus
• Aniso%ytosis )a1normal sie and sape of %ell
• Dyskaryosis )%an"es in nu%lear
stru%ture su% as yper%romasia,a1normal nu%leoli and anisonu%leosis• A1normal nu%lear$to$%ytoplasmi% )N/#
ratio )normal @ +:B C +:
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Tu anaplastik E sel undifferentiated :
• San"at pleomorfik )ukuran dan 1entuksan"at 1er4ariasi,• >nti : ukuran 4ariatif, iperkromatik
)kromatin kasar F men""umpal,1entuk 1iarre
• Ratio inti$sitoplasma mendekati / samaden"an +:+
• Sel Datia den"an inti +G, yan" 1esar• Anak inti )nukleoli 1esar / prominen• Mitosis muda didapatkan dan !elas
atipik .
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Perkem1an"an F
pertum1uan tumor• Transformasi
• Pertum1uan sel yan" suda 1eru1a• >n4asi sel tumor ke !ar sekitarnya• Metastase sel tumor ketempat yan"
!au
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=aktor ost teradap pertum1uan
sel tumor• lood Supply
– Tumor %ell produ%tion of an"io"eni% fa%tors su% as
fi1ro1last "ro2t fa%tor.• ?ormones
– ?ormonally dependent tumors o%%ur tat proliferatemore rapidly 2it in%reased ormone.
• >mmunolo"i%al – ?ost immune response to te tumor 4ersus tumor %ell
resistan%e to te immune response.
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Ke%epatan tum1u / rate of"ro2t
• >n "eneral, 1eni"n and 2ell$differentiated mali"nant tumors a4e a slo2er rate of
"ro2t tan moderately$differentiatedand poorly$differentiated mali"nanttumors.
•
Tu mali"na yan" tum1u %epat, serin"men"andun" daera nekrosis iskemikpada 1a"ian sentral.
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H =AKT'R P&N&NT7 K&PATAN
P&RT7M7?AN+. 0Dou1lin"5 time sel tumor
. 0=raksi pertum1uan5 sel tu pdpool replikatif
H. Ke%epatan pelepasan F ilan"nyasel tumor
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Dou1lin" Time Dou1lin"Time$%as%ade.ppt
• erapa lama 2aktu y" diperlukan :dari + sel )I + m +$, sel )+ "m @)ukuran massa terke%il y" klinis dapatdideteksi
• ila sel anak tetap pd siklus sel F tidak
ada sel y" lepas / ilan"diperkirakan r )d" %atatan : 2aktusiklus sel H ari F H dou1lin" time
http://doublingtime-cascade.ppt/http://doublingtime-cascade.ppt/
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Lro2t =ra%tion
• =raksi pertum1uan : Repli%ati4ePool$ima"e.ppt
proporsi sel$sel pada populasi tumory" terdapat didalam Proliferative Pool
http://replicativepool-image.ppt/http://replicativepool-image.ppt/
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>n4asi / in4asion
• Tumor 1eni"na 1iasanya tum1uden"an e3pansi / mendesak, lam1at
• Tumor mali"na 1iasanya infiltratif /in4asif F merusak !arin"an /
struktur sekitarnya
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>n4asi lokal
• Tu !inak : tum1u F e3pansi pelanmenekan !ar sekitar kapsul fi1rous ;1er1atas !elas d" !ar sekitar.
• Tu "anas / kanker : tum1u d" infiltrasi,in4asi, destruksi !ar sekitar ; 1er1atas T>DAK !elas d" !ar sekitarnya.
)1ila tum1u lam1at, mun"kin mem1entukkapsul
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>n4asi ke matriks ekstraseluler
)+• Pemisaan antar sel tumor
• Perlekatan ke komponen matriks• De"radasi matriks ekstra seluler
• Mi"rasi sel tumor
> i k t ik k t l l
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>n4asi ke matriks ekstraseluler)
• Sel Tu mensekresi enym proteolitik ataumen"iduksi sel ost untuk mensekresiprotease : serine, %ysteine, matri3 metallo$
proteinase.• Diseminasi 4ia 4askuler dan 0omin"5
difasilitasi d" pm1ntkan a"re"at tu$platelet
F produksi molekul adesi teradap selendotel.
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Molekul adesi sel pada in4asi F
metastase• Deta%ment
• &$%aderin
• Tumor %ell$&ndotelial %elladesion
• Sialyl (e2is $&$sele%tin• (A$B$#AM
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Molekul adesi matriks ekstra seluler
pada in4asi F metastase
• >nte"rins• (aminin re%eptors• #DBB
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Struktur protein pada matriksekstra seluler
• asement mem1rane – Type > %olla"en
– (aminin – Proteo"ly%ans
• >nterstitial Stromal Matri3
– Type > %olla"en – Type >> %olla"en – =i1rone%tin
– Proteo"ly%ans
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&nim yan" 1eker!a pada de"radasimatriks ekstra seluler
• Matri3 metalloproteinases )MMP
– Type > %olla"enases – >nterstitial %olla"enases – Stromelysins
• Plamino"en A%ti4ator/Plasmin• #atepsins and (• Lly%osidases
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Metastasis )+
• Tanda utama ke"anasan
• Penye1aran tumor yan" diskontinyu
• #ara metastase :)+ melalui ron""a tu1u,
) limfo"en,
)H emato"en.
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Metastasis )
• Semua kanker / %ar%inoma dapat metastase,ke%uali :
O Llioma )dari sel "lia SSP
O asal %ell %ar%inoma )asaliomaKedua neoplasma ini :
O >n4asif lokal
O Jaran" metastase
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Figure 7-* The metastatic casca'e.
%chematic illustration of the se2uential
steps in#ol#e' in the hematogenous sprea'
of a tumor.
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Sifat 1iolo"ik tumor !inak
O iasanya 1erkapsul, ke%uali :• leiomyoma uteri• dermatofi1roma
O *ell differentiated )mirip !arin"anasalO Spindel mitosis normalO Tidak in4asi4, ke%uali :
• dermatofi1romaO Tidak metastase
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Sifat 1iolo"ik tumor "anas
• iasanya tidak 1erkapsul• Diferensiasi le1i renda dari pada
tu !inak • anyak spindel mitosis a1normal• Ke%epatan tum1u tin""i• Pada umumnya in4asi4• Potensi metatasis tin""i• iasanya fatal 1ila tak di t3
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S 1 1 d d
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Sar%oma 1er1eda den"an%ar%inoma, dalam al
• erasal dari sel mesenkim• Tum1u san"at %epat• iasanya 01ulky5 )padat
• Serin" nekrosis, ok tum1u le1i%epat dari kapasitas suplai dara• Metastase le1i serin" ke paru dp ke
kelen!ar "eta! 1enin" / (mn• Metastase le1i senan" emato"endp limfo"en
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• Mi3ed tumor dari kelen!ar parotisadala tumor yan" ter1anyak dari
seluru !enis tumor kelen!ar liur
Mi3ed tumor mempunyai pola
morfolo"i parenkim F mesenkim,tetapi 1erasal dari satu lapisan "erm
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Teratoma : tumor yan" 1erasal dari
keti"a lapisan "erm.+. e%toderm $$ kulit F "landula se1a%ea
. endoderm $$ epitelial kelen!ar
H. mesoderm $$ tulan", tulan" ra2an, dll#onto : o4arian %ysti% teratoma )kista
dermoid o4arium serin" men"andun"
ram1ut, "i"i F tulan".
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(imfoma mali"na :
tumor solid 1erasal dari !arin"an
limfoid )limfonoduli / kel. Leta1enin")
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#oristoma
• An e%topi% rest of normal tissue $may mimi% a neoplasm. Not a trueneoplasm.
Sisa !arin"an normal yan"
didapatkan pada or"an / !arin"anlain.
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?amartoma
• A mass of disor"anied 1ut maturespe%ialied %ells or tissuesindi"enous to a parti%ular or"an or
site. Not a true neoplasm
Tumor terden"ar 0!inak5
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Tumor terden"ar !inak ,se1enarnya "anas :
• ?epatoma )epato%ellular %ar%inoma• Melanoma )mali"nant melanoma• (ympoma )mali"nant lympoma• My%osis =un"oides• Astro%ytoma )a lo2 "rade neuro"lial
tumor• #ar%inoid tumor• asalioma )1asal %ell %ar%inoma
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Lradin" and Sta"in"
• Lradin" didasarkan pada "am1aranmikroskopik sel tumor dan spesifik untuktumor ts1.
• Sta"in" didasarkan pada kriteria klinik,radiolo"ik, dan 1eda, seperti : ukurantu, kondisi lmn re"ional, F adanya
metastase. Sta"in" 1iasanya mempunyainilai pro"nostik.
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Lam1aran mikroskopik :
– Dera!at diferensiasi sel – Jumla akti4itas mitosis
Pem1a"ian "rade / dera!at istopatolo"ik :
(o2 "rade 2ell differentiated>ntermediate / moderate "rade?i" "rade poorly differentiated
Anaplasti% tak dapat ditentukan apaka skuamous, kelen!ar, sarkomatous,
dll.
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Sta"in" / stadium :
Sistem TNM : le1i serin" di"unakan :• T @ %iri Tu Primer : 1esar, perlekatan, dll
• N @ Status (mn F lokalisasi$nya• M @ Metastase !au
Sta"in" yan" kusus untuk or"an tertentu :
Modified DukeQs : #a %olon.
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Prosedur dia"nostik
• =NA )fine needle aspiration 1iopsy @AJA? )1iopsi aspirasi !arum alus
• %ytolo"i%al smears / apusan sitolo"ik • 1iopsy• froen se%tions / 4ries %oupe @ poton"
1eku
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Pemeriksaan penun!an"
• imunoistokimia• sito"enetika• flo2 %ytometry• Mikroskop elektron
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io%emi%al assays / u!i 1iokimia
• Tumor markers / petanda tu : 1isadia"nostik atau pro"nostik
• ermanfaat untuk monitorin" efekti4itasterapi atau deteksi relaps / kekam1uan
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#onto petanda tumor
• #ytokeratin separates a %ar%inoma)positi4e from a mali"nant lympoma)ne"ati4e and a mesotelioma )positi4e
from an adeno%ar%inoma )ne"ati4e• S$+ positi4e in mali"nant melanomaand neuro1lastomas
• #ar%inoem1ryoni% anti"en )#&Ane"ati4e in meso$telioma and positi4e inadeno%ar%inoma
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• #ar%inoem1ryoni% anti"en )#&A :
Adenocarcinoma colon, pancreas, lung, breas, o!ar"# pancreaiis, $epaiis,in%lammaor" bo&el disease,
• Prosaic acid p$osp$aase 'PAP) : Prosaecancer, prosaiis, prosaic $"perplasia
• Prostate$spe%ifi% anti"en )PSA : Prosae
cancer, prosaiis, prosaic $"perplasia'gl"coproein)
• Alfafeto protein )A=P : Hepaoma
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Mor1iditas and mortalitas
• Metastases• Ruptur pem1ulu dara 1esar• Penekanan or"an$or"an 4ital• Ke"a"alan fun"si or"an
• >nfeksi