patologi anatomi tumor sistim pencernaan

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Page 1: Patologi Anatomi Tumor Sistim Pencernaan

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Histopatologi Neoplasma Sal Cerna

Noza Hilbertina

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Referensi

• Robbins and cotran : Pathologic Basis ofDisease, 8th ed

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Squamous cell carcinoma rongga m!l!t"

• Patogenesis :m!ltifa#torial $ ro#o#,

al#ohol, hp%, ri&

#el!arga instabilitas

genomi# herediter",radiasi a#tini#

caha'a matahari" dll

• Dia&ali lesi

premalignant

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Morfologi :• t! di %entral lidah, dasar m!l!t, bibir

ba&ah, palat!m l!na#, ginggi%a• ben(olan, #en'al, pla# spt m!tiara,

%err!co!s ) !lserasi, batas irrig!lar • displasia ) Ca insit! ) Ca in%asif • &ell diff ) anaplasti#

• mtts lo#al : #gb cer%i#al• mtts (a!h : #gb mediastin!m, par!, hepar,

t!lang

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Adenocarcinoma Esofagus

• pd barrett esofag!s dan *+RD lama• risi#o lbh besar pd displasia, mero#o#,

obesitas, th radiasi

• risi#o - pd diet #a'a b!ah dan sa'!r segar • patogenesis : esofag!s barrett )

per!bahan geneti#, epigeneti# a#!isita

 (ang#a &a#t! lama ) adenocarcinoma• pada ./ distal esofag!s ) in%asi #e

#ardia gaster 

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• dini : t!mor brp lesi datar dg m!#osa 'ginta# ) massa 'g lbh besar 01cm ata!

massa infiltratif dif!s , !lserasi, penetrasi

dlm2

• Mikro : barrett esofag!s dide#at massa

t!mor 

• m!cin, bt# #elen(ar tipe intestinal• ## tipe sel signet 'g infiltratif dif!s

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Squamous cell carcinoma Esofagus

• 0 31 thn, la#i4la#i 35 dibanding &anita• fc risiko : al#ohol, temba#a!, in(!ri ca!sti#,a#alasia, sind pl!mmer %inson dan seringmeng#ons!msi ma#anan terlal! panas

• 00 pd ./ tengah esofag!s• dim!lai dr lesi insit! : pla# p!tih ab!, #ecil,

tebal ) polipoid, e#sofiti#, menon(ol danmen'!mbat l!men ata! !lseratif, dif!s

infiltratif men'ebar #e dlm dinding esofag!s) menebal, #a#!, l!men men'empit )in%asi (ar s#tr

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• sering terdiagnosis stlh t!mor sgt besardan tlh mengin%asi dinding esofag!s

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Adenocarcinoma gaster 

• *e(ala a&al mirip dg gastritis #roni# :dispepsia, disfagia dan m!al• Sering ditem!#an pd std lan(!t• insiden - ter#ait ling#!ngan dan diet

• Patogenesis : #ombinasi geneti# danling#!ngan

• m!tasi germline CDH., peng#ode +4cadherin ) familial #an#er gaster ) tipediff!sa

• 6!tasi 74catenin ) #an#er gaster tipeintestinal

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• Morfologi : t! di antr!m, #!r%at!ra minor • tipe intestinal : membent!# ton(olan, ters!s!natas str!#t!r gland!lar, sel mgdg %ac!ola m!cinpd ape# dan l!men #elen(ar 

• tipe diff!sa : t!mb!h infiltratif, signet4ring cells%ac!ola m!cin besar 'g mendorong inti sel #eperifer"

• m!cin e#strasel!lar ) m!cin la#es

• rea#si desmoplasti# ) dinding gaster #a#!

• Fc prognostik : #edalaman in%asi, #gb 'gterlibat, mtts (a!h

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*astrointestinal stromal t!mor 

• t!mor mesen#imal tersering, 0 19 n'a digaster 

• Patogenesis : m!tasi c4;<, PD*=R>

•  >sal dari sel interstisial Ca(al di m!s#!larispropria 'g mer!pa#an pacema#er !

peristalti# !s!s

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6orfologi :• soliter, batas tegas, flesh' mass, dilapisi o

m!#osa 'g inta# ata! !lseratif 

• ters!s!n atas sel4sel spindel tipe selspindel" ata! sel men'er!pai sel epitel

tipe epithelioid", bisa (g camp!ran

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 >denocarcinoma #olon

• #eganasan tersering pd sal cerna• berh!b erat dg fc diet : rendah serat, tinggi#ho dan lema#

• patogenesis : heterogen, abnormalitas

geneti# dan epigeneti#• ?al!r >PC7 catenin berh!b dg @N< dan

se#!en adenoma ) adenocarcinoma•  (al!r microsatelite instabilit' berh!b dg

defe# DN> mismatch repair • peristi&a epigeneti# : meth'lation4ind!ced

gene silencing

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6orfologi :• distrib!si di sep(g #olon• pro5 #olon : polipoid, e#sofiti#, t!mb!h

meman(ang, (arang men'ebab#an

obstr!#si• distal #olon : t!mb!h ann!lar, #onstri#si

dan pen'empitan l!men•

t!mor tdr dr sel4sel #ol!mnar tinggi,displasti# dg in%asi #e stroma s#trn'a )desmoplasi, ## ada m!cin, signet ring cell) prognosis (ele#

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•fc prognosti# penting :#edalaman in%asi dan

metastasis #e #gb

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Hepatocell!lar carcinoma

• 8A9 ter(adi di negara ber#embang dginfe#si HB 'g tingi spt asia tenggara danafri#a

• fc etiologi $ infe#si %ir!s #roni# HB,

HC", al#oholisme #roni#, steatohepatitisnon al#oholi#, #ontaminasi ma#ananaflato#sin" dan fc lainn'a

• si#l!s ber!lang #ematian dan regenerasisel spt pd hepatitis #roni# ) patogenesis!tama

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morfologi :• ma#ros bs !nifo#al, m!ltifo#al, diff!s

infiltratif ) hepar membesar ata! gbrn

sirosis• &arna lbh p!cat dibanding hepar di

s#trn'a, ## &arna #ehi(a!an

• #ecendr!ngan #!at !nt!# !nt!#mengin%asi str!#t!r %as#!lar ) mtts

intrahepati# ) nod!l satelit

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•mtts #el!ar hepar t! mlli in%asi %as#!lar, bs (glimfogen

• &ell differentiated sel t!mor ters!s!n

trabe#!lar, asinar, pse!dogland!lar" )

!ndifferentiated pleomorfi#, b'# sel anaplasti#,giant cells, mirip spindle cell sarcoma

• =ibrolamellar ca : !sia m!da A43 thn", td#

p!n'a pen' hepar #ronis, prognosis lbh bai#,

ber!pa t!mor t!nggal, besar, #eras scirro!s"

• >=P ser!m pd 19 pasien HCC

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#ematian biasan'a o# :• #ahe#sia

• perdarahan sal cerna, %arices esofag!s

• gagal hepar dg #oma hepati#• perdarahan 'g fatal o# r!pt!r t!mor 

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Cholangiocarcinoma CC>"

• #eganasan hepar #e d!a tersering• #eganasan biliar' tree 'g berasal d!#t!s

bilier didlm dan dil!ar #and!ng emped!

• fc risi#o : primar' sclerosing cholangitis,congenital fibropol'cstic disease pd

sistem bilier, HC, paparan thorotrast dl

dig!na#an pd radiografi tract bilier",

opisthorchis sinensis

• intrahepati# dan e#strahepati# 9"

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• diagnosis)#ematian intrahepatic"222E bln• morfologi :

• ekstrahepatik : lesi #ecil, padat, nod!l

didlm dinding d!#t!s bilier, ## dif!sinfiltratif, papillar', polipoid

• adenocarcinoma, ## sF!amo!s cell

carcinoma, b'# stroma fibrosa disertaiproliferasi epitel

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• intrahepatik : pd hepar nonsirosis, t!mb!hsepan(ang tract portal intrahepatic, ##

t!mb!h nod!l massif, in%asi %asc!lar dan

proliferasi disepan(ang limfati# portal )

metastasis intrahepatic massif 

• tipe adenocarcinoma &ell4moderatel' diff,

stroma s#lerosis desmoplasti#", str!#t!r

t!b!lar 'g (elas dilapisi oleh sel #!boidal,#ol!mnar ) t!mor sangat #eras

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arian camp!ran :• HCC, CC> massa t!mor terpisah didlmhepar 'g sama

• HCC, CC> tercamp!r dg tempatpertem!an 'g dpt diidentifi#asi

• HCC, CC> tercamp!r pd le%el mir#os#opi#

• %arian camp!ran ini dpt terbent!# dr sel

pre#!rsor bipotensial sel o%al" 'g mamp!menghasil#an hepatosit dan sel epitel d!ctbilier 

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• S+;>N