of tha ovary is mosl common ii 1 the 'ijeamiyridtirjri:.c-t 111 fc world There die lustundsr 6000 case!, each ysar in Ibs UKWb ilfl ffiB incidence of ovarian cancer is si mi l&r to thai
Trang 1of tha ovary is mosl common ii 1 the 'ijeamiyridtirjri:.c-t 111 fc world There die lustundsr 6000 case!, each ysar in Ibs UK
Wb ilfl ffiB incidence of ovarian cancer is si mi l&r to thai of endometri urn aridcf cervix, more women die from ovar&n cancer than fro-; 1 ^drtinnma nl fl>E.cerm anfl body of fbe ut?rue combined.
Most wanan temours are ol epithelial (irigm Tlie&E jre Mre befure Hit age of 35'years buttle incider-DE increases i<iitb age
IG a peak in tbe 5Q-7Q-ypar-i;ld aae gmup (Fig 13.1 j Mo^tspltlieli?! amours art not discovered until they hava spread widely Some at fiiesE "nvariai'' lumouis prnoabiy arise frnm the fallopian ^bo.tumnurF of whmh arn Dually racogriized only v/tien at a
relatively early ^tage Surely and rjhemufherapy mdirily v<A\\ carboplafir, DI cisplalm and paciilaxel, form lire mapnsfay nf
iiBaf-DnJv 3 pEri:Hnln;nvanan cjnggrs are seen mwnm fin you ngerthan 35 yea rs and most of these are non ^jjltnelial cancers a& yerm ^11 luinuurs ^n conlrasf To epithelial fumpurs germ DE!! lumouis can be Ireaterjvpry successfully 'Vifh
Ferlilitycanoffen bu^jnaerved
CANCER OF THE OVARY
Aeliology "
Incessant uunlation' theory
Epithelial liimaura arc mosl trcqucntlv
wilb nulli|iari[y, jr) t&tly rncnjrdic, ^ late age at
menopju*,e and j high esrimjTeJ number of vewri
ol o^iiliition Grill contraceptive use reduces the rkk
iouifuld (The Cancer and Steroid Hormont Sludy,1997) lk>ive\er, even without urdl Lonlidceplives,inciej<.ingage at first birtli reduces tht risk of ovariancancer This and other anomialici ca^ldcubt upon the'incessant ovulalicii* theor,1
Trang 21 1 Carcinoma of the ovary antf Fallopian lube
• /
10-14 25-33 40-44 55-74 >94
.Age iy£arsj
Figure 13.1 The Incidence D! ovarian cancers England anO
Wales iQffice of Population Censuses and Surveys, 1985|.
there might possibly bed link between ovarian cancer
and prolonged attempts at induction of ovulalion
( V e n n e r a L ,
Genetic factors
F3inilial ovarian cancer
• Familial ovarian cancer is rarfl -5-10%
• Suggflstive history
• fttlea5tt'"ofir&t-rtogree relatives mill u.'diidn
or ti)loretlal carcmama
• Casss usually diaynoaed before 50 v F a r s o t a g H
» Defective genss include 0flC4f and 8RCA2
t Th* risk of ovarian cancfii 1.40%) in Ihese lamilles is
less than the r&k of breast cancer {80%|
» Genetic testing cannot guarantee to defect all
genes
Familial ovarian cancer
There is a family hinor? in between 5 and HI per cent
of ^omtn ivith epithelial nvarian tantcrs
-serous adenocardoornas (Kafipr/^k ul jl.t
Av-umaii with one affectf d dose relati\re has a lifetime
ctsk of 2-5 per cent, twice tht ribk in the general
popuklion With two affected clost reldLivt^ lhiL
lite-time risk increases to 30-10 per cent iPonder, 19y4|
A partieular feature of familial unciT:> is the i elativelv
early age dl ™hich thcv occur
Most of these families rtl>o have ia&C;> of breast or(.olorectal cancer in the family 'Itie defective gt;ne
in (he breast/ovary families is most commonly the luinoiir-s.uppn:$ior gene BRCAl ( # 1 pei cent).
BRCA2 is defective in aboiil 14 n t r ^ u n l Families Wffli.olorettal cancer have defects in the J 3 N A repair genesbut this is seldom found m association with tamilialovarian cancer (Kaflpr/ak el al., 1999) A womanwho has inheuied a detective RK.CA1 gene hi a weJl-
ducumenlctl [dmilv ha;> a 60 per cent risk of breastcancer by 'ill years nl a^ and an &0 pel cent lifetimerisk However, the risk of ovarian earlier is muchlower, he ing nearer JO per cent
Management ot women with a family history of Dvarian cancer
Genetic testing for BKCAl is now pos&iblc bill isimpracticable and unreliable because mutations arefound far lesi often than expected, even in
with a strong family bislorv There jre veryable problems in interpreting the resulis inwith only one or li^o aftected relatives There maybe
a spectrum of inulaliyrii, isith verv different lei'els ofrisk Ei'en a negative test resnlr nid\ nol provide iheexpflded reassurance
Once idenlilied vvilh the help or a clinical geneticist,women with a hiph ri^k of ovarian and" bica&t cancer
arc difiitult to advise The main risk is bre&sl i-uiLerhbut prophyldclk, bilalcral mastectoniy ifl a very drastics^tep for any 'voilian 10 Lake None of the available
&tre.emng tests for ovarian cancer is vurv effective, and
false-positive result* can result in unnecessary surgery
Annual ovarian ullrasonography with colour-flowDoppler studies and serum CA 1Z5 estimation evert
6-12 months are recommended, bui it is unierlaJBhow much pro Let Lion this offei^ Prophylactic hilateral oopho recto in y, iiiually combined v-nth hv^iterec-lomy, i> recommended for dejrh ilelinuil h^h-rnt
women aflcr Completion of their family at aN«*]
45 years of age (K,ii|ir^Hk ul al., 1999) This does, nolrecnyvt the nsi; entirely, as c.lrcillonn of the pcrfl
toneum has occurred after this procedure
Class if i callon of nujrian tumouis
Ovarian i n m o i i r b lan be solid or cystic They nuyhfbenign r>r ma%nanl antl [n addition there are thc«
that, while havinglack am' evidence olcalled borderline lurai
ovarian |linorigcoid gonadal tyj>e laiso
Oi sex cord me.senchyi
«A cord iTie^nchmal
Simplified hi stole ovarian tumours
f U ill 'fferpniiated care
II Sex cord stromal turn
ihe dfgr.ee of dif vival, fflfLt-pt in the mo mniuui-3 tend [o be a^s<i and a bedii progrn
Hin'rv^l between differa
• c i n on i andajsociated with an
Trang 3Cancer olthe ovary Ị
in tumours
that, while having sonic uf Lhc features oi malign an cy, lack anv evidence of s-tronidl invasion These are called borderline turn ours.
Primary ovdri-in turnout are divided into epithe]ịii type l implying an origin frum surracc epithelium), sex cord gurwdai ti pc (also known assevcord slromal I; pc,
or sev cord mesfn<.hvmal t}pc, and originating from y;.\ coid mesenchymAl elements), and germ cell typẹ
Simplified hislologlcal classification of ovarian tumours
I Common epithelial liimours (Uiilgn, borderline or malignanl)
II SBI cord -^iim.ii tumours
A Granule strnma cell tumour B- Andriiblasturna Serin h-Lflydigcf II tumour
C Gynand'o blastema
III Germ cell him ours
Setnus carcinoma
6 EndodKrm&l sinus tumour (yolk sac
C Embryonal cell lumour
D Chonncaicinprna
Ẹ Teratoma
F Ulixgd tumours
IV MBla&tatic luiriDiirs
Pathology ol epithelial lumaurs
Well-differentiated epilhdial carcinomas tend to he more often associated with early-sisige disease, but the degrpu of differentiation does correlate with $ur- Ttval, except in the most advjncrd stages Diploid Tumours tend to be associated wilh earlier stage dis- cdM anil a better prognosis Cell type is nol of itsell propnosntiilJy iiignificant Comparing patients $U£e fcstage and grade fcr grade, iliere is no diifcrcncc m mrvi^sil between different epithelial typẹ', Hyvcver,
»ucinnufl uid cndomeiriuid lesions, are likely to he
ivith an earlier j^agt; jnd lộ^r grade than cystadcnoi_-arcLnoiriạs.
serous tilrcjnonia& have both solid and cystic elements, hut some may he rminl|' cptic They often affect both ovaiies Well-ditlerentiated rumours have
a papUlarj 1 parltrn i^ith stujmal im'asion, Psanimoma bodies (calcos-pherdeO are often prcbtnt At the other end of the spectrum is the anapUsHc luniunr C^mpOseel ul sheets of undiflerentiated neoplastic cells in masses- within j fib run i bli-omạ Occasional glandulai itiuctures may be present which tumble a diagnosis of đenenareinorna to be madẹ All grad- ations, between these Ivu an: ^een, sometimes in the same tumour.
Mutinous carcinoma
Malignant niUi:Lnous.tiinioiirs.accoiin | for 10 per tent otthe malignant tumours of the nvarỵ'JTiev are usually imihilacular, ihin-ivalJed cyst^ with ii smooth extei- nal surface containing mutinous Quid Muunou^ lumuihii aie amongst the laigest tumours, of The ovary and nwv rẹa<-h enormous diniens-ions A cyst
diameter of 25 cm is quile
Endometrioid carcinoma
Ihesearc ovarian tumours that resemble etidome trinl cirdiionidị There ib liltk to characterize an ovarian tumour as being of endomelrioid typt by naked-cjc examination Most are cystic, often unilocutar -ind
conlsiin lurbkl brown fluid Five to 1(1 per cent are
seen in continuity witJi n^ônuable endometrio&is Ovanan adenoacanthoma, with benign-jppearing bquamoLib elements^ accounts, tor almost Sll per cent
of some series ti indomemcMd tumouis.
It [& important to note rhat 1!> per cent of
endometrfuid carcmonias oJ the ovary are associated
with endomelrial carcinoma in tht body of the uleriB.
la most cases these are two separate pri maty tumours.
Clear cell carcinoma (mesonepliraid)
t ihtkabl L^mniun of tht- malignant epuhe lialtumours-nf lheovary h accountijig for 5— 10 per cent
of ovarian carcinomas The appearance from which
Trang 4the lumuursulerive (heir name is the clear cell pattern
but, in addition, some areas show a tubulo -cystic
palter 11 with the chai aclei istic 'hub-nail' appearance of
the lining epithelium
13ciau.il1 there k A ver> strong association between
cle.ii cell tumours nt (he ovary and ovarian
endo-mctnosiS: and because ikar cell and ernlometrioid
Tumours ft*quentlycoeristh it has t-rai suggested thai
the- dear cell tumour in ay beavariantofendomctnoid
tunioui
Borderline epithelial tumours
Ten per cent of all epithelial tumours of the
,ire of borderline malignancy These show varying
degrees oi nuclear atypia and an mcrease in mitolK
activity, multi-layering of E<x>[>laslit cells and
forma-tion of cellular bud*,, bul no invasion of the stroma
Most boi'deihne tunioui s lemam confined tc? the
ovanes and this may account fur ihdr much better
prognosis Peritoneal lesions are present in some
cases and, although ii few are true mnastascs, many
do not progrc&s and some even regress after removal
of the primary 1 union r The historical diagnosis, ol
borderline malignancy can be difficult, paiticularlym
mucinous tumours Most borderline Uimours arc
serous or mutinous in type,
Natural history
Some two-thirds ol' patients with ova nan earner
pr^M-nt >vith tliii-aw; that has sprwd beyond [be pelvis
I his is |irnbahiy due to llie insidious nature of the
signs and symptoms, of carcinoma of the ovary, b u l
rnav sometimes b-: due to a rapidly growing I u [Hour
Due to the non-ipecillc nature of most of these
symptomSj a diagnosis ol ovaiian cancer is seldom
considered until the dibcabc is m an advanced
Mela static spread
'The pelvic perilnneiim and other pelvic oigans
bccomi: involved by dirftt spreaJ (Table 13.1) iTie
peritoneal f l u i d , flowing to l y m p h a t i c channels on the
undersurface of the diaphragm, earner malignant cells
to the unurnlum, lo ihe peritoneal surfaces of Ihc snmL
and iaige bowel and the liver, and to the parietal
Table 13.1 Pelvic and para-aorlk node
Nodes involved ;
Stage 1-11Stage III-IV
Pcdvicnodes30
h7
H'ai'a-aorticnodes1965
peritonea] surface throughout the abdominal cavityand on the surface of the diaphiagm Mctasta^s on theundersuitiice otthc diaphragm m;ifrbe found in up to
44 per cent of whjt otherwise wenis to be stage 1-11disease
Lymphatic spread commonlv involves the pelvic and
the para-aoi-tiL node>r Spread rii^V also occur to nodes
inthenOrl or inguinal region Haematogenous spread
iisiiallv occurs late in tlie course of the disease Tht iruinmvolved jrc the liver jnd the luna, although, to bone and brain are sometimes seen
Clinical
Peiitoneal deposits on the surface of Ihc liver do not
make the tumour Stage IV; the parenchyma must be involved i"lahle 13 Z] Similarly, the presence of *
pleural effusion Ls hifiufllcienl to put the tumour m
Stage JV unless malignant tells <iro found on
of the pleural fluid
Diagnosis
pain or discomfort are the common*
presenting complaints and distension or feelinglump the neil mo&L frequenl Patients may comJiif indigcslion, urinary frequency^ weight loss irarely, abnormal menses orpostmenopauaai bkesh"
A hard abdominal mass ansing from ihc pelvnhiglily suggestive, especially in the presence of ascit
A fixed, hard, irregular pelvic mass is usually fdl ITC*J!
combined \aginal and rectal KtammatioD f H g I.1
pii^l4S)/llie neck and groin should also be examnifor enlarged nodes
:n
Ilialllb
Ilk
Haeniaioln^iejl mvecount, ure.i, electrolyAdiestX lay isesBenlionyciut d barium cd
mm bowel involvemi
*rif ^n intravenous
•j- useful Ullrnsonogi
Trang 5Trtblcl3,2 F1OO bilging for primary ovarian a
with ascites present containing malignant cells or
with positive peritoneal washings
Growth involving oncoi both ovaries ivithpelvii eAlcnsionExtension and '01 mctaitabtb lu iht uliTui or luhe*
bxlension to other pelvic ti^ue^
Tunioui either Stage Ib or lib but nunour on iurfd^u of one or hath ovaries or
•vilh capsule ruptured yrwith ascites preheat conlaining malignant ceDi w
with positive peritoneal washing1,
Growth involving one or bolh ovariei with peritoneal implants outside the
pd'is or poiitivt rctropcriloncdl urin^uin^l nodesSuperticijl liver inetastuseii equals Stape ITI
Turn our grossly limited to (he true pelvis with negative noil« bill withhi«ologicalli-conlunn:ilmKro!1copic5i:nlinsl>f"''bili>ininjl peritoneal surfacesTumour with hibLologitallv to-cifinnod impljnlson abdomiHsl peritoneal •vurtaces,
none evceeding 2 cm in diameter
Nodes aie negative Abdombalitupladts >2 cm fn diameter or positive retropericonejl
or i n g u i n a l nodesGrowth involving one or both ovaries with distant mctastaiti
II pleural eft'usfon is present, there mint bs poaitivi qlology lo alloi a case to Stage IV
Ljl liver mcinslrf&i^ e < n j i | ^ !jl^i,e- !V
Haemato logical iiivestigations include a full blood
count, urea, electroltes and livci function tots
cjrry out a barium enema 01 colonoscopyto
difieitn-Hn between aa ovarian add n coloniLlumourdinl (u
awei^ bovnc] Itivnlveinent fmm the ovarian tumour
ibelf An intravenous pvelogram (IVP) ia
occasfon-Jl>' useful Ultrasonogiaphymav hdp to ountirm the
piesenccol a pelvic maw and detect ascites before it is
clmicalK apparcfll- ITI conjunction with CA 125
esti-ill^lion it may be used to calculate a 'risk of nancy ttorc' In moal women, the diagnosis is lar
malig-from tirlain before the laparotomy and the ation is undertaken on the basu ( h a t (here is a largemass that nradb to be [Amoved regardless of itsnature
Trang 6oper-I oper-I " Carcinoma ol (he ovary and Fallopian lube
13.2 Abdominal distension 'Mth underlying ovarian
mass and ascites (Courtesy nf Mr K Metcalf.)
Markers far epithelial tumours
FA 125 is Ihe only marker in common elm leal use.
It can also be raised in benign conditions such as
endometriosfc CA 125 is useful for monitoringivn men
receivingc-hemoLherdp^ Lo aise*s response A
persist-ent rise m CA 125 may precede diukhi] evidence
ofrecurrcnl dismast by stveral months in some cjiies,
However, the values can be normal in the presence
of small tarn our depns its.
Screening
carcinoma ot ihe ovary rends to be: a
symptom-atic in ihu cnrly Mages and most patients, presenl "'ilh
adduced disease, ninth effort has been made to
screening purposcs So far, none has become ,i^<iil.ible
eaily detection of epithelial carcinoma (Cram and
|ei'dinj!ih> 1994) Ultrasound is not suitable as i
pri-mary screening tool because of expense and a higli
falb<;-positive rate The most promising approach is a
i"Omi L n »vithpcrs]i.tentlv raised values.
In our present stale of knowledge and with the
Inikbir technology, screening tlie ycnciiil
popula-tion is neither useful nor safe Patients should be
enrolled in trials to i-jses:, n<^ iorttning techniques,
but should not be led in believe (hii
proven
Surgery far epithelial ovarian c a n c e r
Pnmaiy ^JFflery-ln delermlra diagiosis and mil GYP III mom
• Total abdominal hysterectomy
• Bihnfaral sal Dingo-oopno recto my
• Infracolic omeniectomy
priinarysLrgerv hpari!u&" l om3nivl evident of synchronous endomotnal can ^ r
I rile™,! | deb Hiking surgery
Surgery is die maiiulay of both the diagnosis and td
ticatnienc ol ovanan cancer A vertical incision is required lor an adequate exploration of [lie upper abdomen A Mmplc: of ascitic fluid 01 peiitoneal washings, with normal saline should be Idk^n for cytology The pdvis and upper ahdonie n a re explored carefully to ideniifv mrt<i>tatic disease.
The therapeutic objetlive of surgery for oianan cancer is the removal of all Hitimur While this is achieved in ihu maiont} of Stage 1 cases, and in smine Stage IT, it k muaih/ impo^iiiblc: in moic advanced dJBQSb Decatise ol the diffuse spread of tumour throughout lh<; pentoncaJ cavity and the retroperilo- neal Dodu» mi Lniiiupic deposits will persist in alnioa all cases., eren when all macroscopic tumour appear*
id hav* been ocibcd Thus, while surgerv alone mar
he curative in many Mjge I eabcs, ;uklitional thcrap»
[s tsvcntial lor mos.t of the remainder.
r lh£ resection of divisible tumour us.ua.lly require*
a total hyHerectoniy, bikleral salpmgo-oophorectoni*
^, unilateral salp eaiefule aifiease and curftlaj^c
s eudon
v found t fte pelvis \vill be nccc RonJ^rline diseaw u our cnnfiried to one c
as malignant If an <jv lorrned 1 in a young wo disease hji bei:n iemi
*lily little to be gninc riik of recurrence (3f pophorectoroy (I5pj cent], Incjsesof doul
he pcrfoiined to enp and to remove the re women i^ho have nni
to gain from oonscrva itill prudent In recfln* and nyflterectoiny.
\\lien buJkv disease stiond laparolom^ ma; who riipond alter twi
a.pv The cliemotherap^
able after the second o
: A laige Eii that the mediai nuv be- increase vivjl at 3 years may bci percent (Van der Berg use ol i n i r i ,iU hemothei rase ii unlikely lube res nanc) 1 is niade by cy surgerv follows if the tu
Trang 7Cancer of Ihe ovary 143
Kploration of the- upper
dtic tkiid or peritoneal
ac shinild he taken for
ei abdomen are explored
fiiiit spread c?l tumour
•virvand the
rem.perito-osits will persis! iri almost
roscopit tumour appear?
while surgery alone may
cases, additional therapy
disease and curettage ol the uterine cavity'to exclude
a synchronous endomctriaF tumoui If the tumour [&
subsequently found ro be pnorK differentiated or ifthe washings are positive, a second operation 10 denttllt-petMb mil be neLesaan
Borderline disease usimlly pr^^nlbB^ a Slage La our confined to one ovary It is often nol recognized
tum-as malignant II an ovaiian cystectomy htum-as been formed in IVL.HIII& woman <uidiisei.Tnb likely chat Ihedisease has been removed completely, thi're i:> prol?-abh' little to be gained from further surgery hul the
per-risk of rti-urreno; (36 per oentj i; highei than afteroophorectomy ;li pCT«nO urpelvicclcarancei.2.5 per
Ccnl) In cases of doubt, a second laparntomy should
l>e performed lo explore Ihe abdomen thoroughlyand to remove the res( uf (he affected ovaiy Olderwomen who have no wish lo h-nt children ha.'e little
to gam from conservative surgery, and it K probablystill p r u d e n t lo rciornmend bilateral oophorcccormand hysterectomy
When bulky disease remains after initial sui^ery, asecond Laparoiomy may be performed on Iliose \\f>men
who respond after ivvo lo fuur lourjis ol apy.The chemotherapy is ihen resinned i^oon ^SpOi-
themothei-whlc after Ihe becond opcralion This is called 'intei val
dehulking' "i large f u"ipeari &ludy of Ihis approach
suggests that the median survival in "hispoor-prognoiiigroup ma;1 be increased by 6 months and that the sur-vival n 3 ytiirjiniiy be improved Irani 10 per cent to 20percent f v a n d e r frergei al.t 1995! Thi& has led lo theu>eof[nitialchemotheiapyin women in whom t l i e d i ^ -
fawii unlikely lu be rebecuible Clefnfinnation of mahg
•anq1 is made by q-tolog^1 yr guided bfops^ and
Hirgeiy follows il the tumour resfionds Itrenminslubeictn il'this is an effective strategy
Second-look sur&erv ib defined as a plannedjparotomy at the end of chemotherapy Hie obpcel-
^cbi are, Hrbt, to determine Ihe response to previousdierdpy in order lo douimenl aicurately itb efficacy
md to plan subsequent management, and second, lo
ocise anv residual disease While there is no dotlblAat second-look surgery gives the most accurate
•idication of the disease starns, (lie f^identi; su^^eilsdial neither the surgical resection of itsidual t u m o u r
•nr ihe opportunity to change ihe treatment has anyrfecton [he patient's survival Second-look procedures
therefore have no place Outside clinical trials at thepresent time
Selecting patients for postoperative treatment
Women with Stage la orlb disease and well or alelv diflcrcnlialcd tumours ma; nol require furtherireaonenL The benefil of adjuvant therapy for women
moder-with Slage Ic disease lemams unceitam, hut manyuntolu£i:>ts adviae chemotherapy M other palientiwith invasive ovarian carcinoma require ^iiuvanltherapy There i.s no evidence that adjuvant therapyalfeclb.the outcome in women with borderline tumours
R a tho therapy
Radiotherapy is now dlmosl never used in die rouiine
manage ment of ovarian carcinoma \ pote'iitiiil
exeep-tLon ii radio-[mmunotheiapi in which radioactiveyllrium is linked lo d monoclonal antibody i^hichrecognizes an antigen found on innflt nvari^n cancers
This is given intraperitoneally It remains an expenmenial treatment
Chemotherapy
ChemciNerapy lor epithelial ovarian cancer
Slape IHV-possibly Slags Ic
Chemotherapy i& gi^'en both (o prolong clinicalremission and survival, and for pal li at ion in advanced
and lecurrcnt disease Chemotherapy is commenced
us &oon ib possible after bur^eiy dnd is usuallv given
for five or^iv cycle*, at 1—4-weekly inter\ral&
The platinum druj?*,, cisplatin and its analogue
car-boplann, aie hcav} metal compounds which cause
cross-linkage o f l ' N ^ srrjnd? in a similar fashion m
alkyLiting agents They are considered to be The most
effective drugs [n general uhc in (he management of
cvtotovic drug^s either alone or in combination
Trang 8I i Carcinoma til the ovary and Fallopian lulie
Cibpktm is a very to^k drugr L'mil the advent of
Ihe S-hydru^ylryplamine (SHTj antagonist
!gane-setion and nrid,ini.ctroii), severe nausea jpul
vymit-ing> sometimes la&rinj: itverai days, were a serious
problem Permanent renal da nidge will occur unless
cisplatin is given with adequale hydration with
intra-venous lluids Peripheral ricuropalhy and hearing loss
Aft reported ivitli increasing iiimulative doses
Elec-trolyte disturbances: inch as hypomagnesaemia, arc
seen occasionally, Unlike most chemotherapfulk
.j£>nnl&> marrow tnxicity Lsnol UiUdlh a problem, with
the except inn of anaemia
Carboplatin is ,1$ effective: as cisplatm in tbe
(real-mem of o'arian cancer find I* Ihe mosl commonly
used firsl-line drag, either alone or in combination
with paclitaxeL II caubfs less nausea and vomiting
lhan cisplalm and h,i$ oo significant renal rovidlv,
Neuroloj,iuty is rare and hearing lus^ j^ subclmicaf
The lack of renjl luALily means that there is flu need
to gi^'e catbopislin wilh intravenous, hvdraiinn 'Llm
dose i& calculated ID relation to iheglonierularfiliratifiii
rate, usin^lhi1 area under/ the curve (AUC) formula
Pachtaxel f'lavolj ii gi^'en in combination \vj[h
cis-pletin or cui boplaim as firsi-lint ircaimcnt, but may
he ii vd alone when the disease recurir II ib usuallv given
as a 4-hour inriision nftera prernedicarion regimen of
* inx^asive tumours -5-ygai survival riife&
- 90% f c r Slage la and l t > wtll or
lumeurt
improved ihe quality
advanced o^rian cam
ranitidine or cimetidini to
inactions Paclkixel i> derived fiom the bdrk of the
Paafic yew tree ('laxitt beevifolia) and has a
meclia-nis-m of nction lhat is unique among cytotoxic drugq
Sensory neuropathy and neiitropenij are more
common with higher tlost1^ 3nd inrnsions for 24 honrb
itsull in a higher incidence of grade 4 neutropeiiia
Otber formi of loxicity such as mya^iu ,md arthrafgia
ait do^e dependent but riei'cr severe Nausea and
Jliii^areveiyniild, hut loss of body hair is usually
irrespective of dose anil schedule, Bradycardia and
hypotension uinall; do riotcau.se fiy
Results - epithelial tumours
Results or treatment ol epithelial tumours
• Borderline turn durs
-e*cellpnUQng^er
-rnntf nt those w h c c l e h d v e
uverall
Borderline epithelial tumours
Women wilh buukiline ovarian epilhelijl tumounjconfined to the ovaries Iwve a good loiig-ttiin piog-noiii, with very few women dyin^ frum iheir disease
Kveri *vilh eMra-ovarian surea*], ibe 15-ye^r -Mfoi sernoji borderline epithelial tumours i.s around 90per cent For Stage Tlf niudnou& tumours, ihe 15-year
*,urvivji|rdleibonly44percern Mosthave p&eudomy\oma pentonei With the exceptinnol' thc-se with pseudortipDnia pentonei, the oven!
is good
pflntonel
Invasive epithelial ovarian cancer
Survival for epithelial yvanan cancer is dependedm^inlv onstage, size of residuaf lumyur at the end
initial surgery and grade ot tumour The! 5-ytAf
vival range*, from flO m 70 per cent tor womenMage I disease to 111 perienl for Slage 1II-IV Since tinnidjorily of patients, present with advanced
the overall 5-vear survival in the UK is only H.
UTiile women with Sl^ge I tumours with grade 1
2 Ilislodygy have a 5-year survk^l rale of cf'erc^ni, those wilh pyorly differentiated tumoursmuch worse In more advanced tumours, Ihe
of residual tunioui at [lie end of initial surgeijsignificrtnl in terms ol prognosis
The survival figures for cancer of thethanked little over tbe la^i 2Q vuars and leinainfor women wilh advanced disease despite moreical surgery and irapryi'cmcnts in cheniolheMost Mudieji do shois ionn improvemenl m msurvival m patients with minimal residualfollowing surgery and why respond to post-Iredtrnent However, lhi$ benelil hat, not beencie-rHly long labtmg to affecr ^-vear
There is nodoubl lhat even if long-termnot been improved, modern q-totoxic therapy
aid rhfca
mosl common sa
and Ihec
ce sicroid honnoi can cause postm
n and semsil pre iiifosa cell tumoun
be used |y monitor l Tbcca cell tumyurs ai
occur j[ all postmenopau these tumours
i Mos^t presenl i presenl in only 5 per
cell (umours; may develop whe preriiiminanlly c^tk cord slromal tumou
yellowy because of
Trang 9wal -alas
or moderately
ours
ian epithelial tumours
i good long-term
prog-ymg from their diseajfl
id (lie 15-ve.ar survival
il tumours is around 90
os tumours, the 15-fear
L Most of those who die
la With ilie excepnon
a peritonei, [lie overall
in cancer
in cancer is depcnde.nl
nal tumour at the end erf
wiioui The 5-vear
sur-er ctril fur women
br Stage HI-TV Since
willl advanced disease,
he L'K ii unlv 23 per ccnU
lmnoiir:> with grade l«
-vi%al rate ol over 411 pa
ierennktetk Uimour^ do
*d tumour.";, the amour*
pud of i n i t i a l surgery ii
ancer of the ovaiy
0 years -md remain poor
lisease despite more
rad-nenls in ibnnotherap*
improvement in
oiiiimal residual
respond to pos'-suij
aicfit lias not been
uni-tl 5-year survival rates.
if long-term ill rvival
m cytoluik therapy
c quality of life for many paticnti ^iadvanced ovarian cancer in spite of the side effects
Nan-epithelial tumours
iai tumouis constilute approviinalely
ID per cent yf all ovarian ^nctr& Bec^iiit of ihuirraricyand their •ieiuiti^jtv to imen^ive chanothcrapTi
it is especially appropriate to refer ihese patients forspecidlisl tjre
Sex card sNmallumaurs
Nan-epithelial tumnnrs
" £tx-e.or(Jstrorndltuiiidur
• Gianuluss rail Itimour
• The^a eel I tumour
• Eertnli-LEydni Himour
• Germ e.ell lumaur
• Vfilk sar {gndodBrmal gmusl (fimour
• lerjluma
sa and theca cett
e mwst common sex cord stromal tumours are
and lhei;i o^ll tumours The;' oflcnhormones, in pnrlicuhir oejtro^nj,
•hicli can cause po^tnienopaii^al bleeding in nlderw^iun iind bCKual prccocit.1 in pre-pubeital girla
Grainilos.i ^ell mtmiurs usually ittrcle inhibin Thiican he used to monitor the effect1; of 1 realm entrTheca cell tumoms are usual ly benign Granulosa
<cll luraoiiu c u i u r a t all agti, but arc tound
prcdom-•tinrly in poJitinenopausa] women, 'Ihc Caging fcm for (nc.se tumours h ihe same as tor epithelialfeinont^ Most presem as ^lag^ 1 BiLileial turnourb
s>'&-|IH present in only 5 per ocnl of
•iholugyCiaiiulo^a cell tumours are norinally solid, butq?stic
^•«'b may develop ivhen they become large Some
^: |>reduminanlly cyclic Likv mo^i tumuur& of the
KI cord stromal tumour grouph the cut surface is
•Clcn yellow because of neutral lipid relaled to sev
hormone prndoctioiL Areai, nfare also common
by chemotherapy in advanced or recurrent cases
In ca'.ci of late recurrence, furlhcr siirgerv should
be considered before any oilier therapy is ^iven 'Ilie5-year survival is around £U per cent overalL butrecurrence is associated with a high mortality
Sertoli—Leydig cell
Hall of these rare ucoptasia produce male horrnoneii-in <.au&i: ^irili^linn Rarely oeslrnften', are, 'iTie nroftiiosis for the majority who havedisease isgoodi, and treatment is the same asfor gran uloia cclltumouiur
Germ cell tumours
Dysgerminomas
Dysgerminomds j^tounl fur 2-5 per tent of all
primary malignant ovarian tumours Nearly all occur
in young women lcs;> than 30 years old They spreadmainly bi lymphatics All IJISLS d«d a ihcsl X-rayand rf coni[HJteriH-n] loiiHigra|ihy |TT) scan Serumalpba-feloprolein (AFP! and beta-human ckorionicgonadotmpliin ||i-hCG) mint he asi,3icd to excludetheommoiisprc^aiteofelernentflofchoriocarcinoma,endodermflJ flinui t u m o u r or teratoma Gccasjonallvsome cases of pure dyBgcrmrnoma ha.'e raised
of ^-hCG.Puredys^eriniiioin^ha\e^yousiidithey are nornialli1 JitaKe I tumours (7S per cent),most being Stage la
PathologyDysyennmoma^ are bohd tumuurb which luvt asmooth or nodul.ir, bosselaicil <j\lernrfl surface The-y
•IK sufl or rubbery in consistency, depending upon
the pro]sortion of fibious tissue contained in them.They may reach a considerable iii/e iliu meari diam-eter is 15cm Appivrximacely 111 per cent are bilateral;they are alone among malignant gam cell tumouib
in havmg a significant incidence of bilaleralily.Hementi of [mm d In re t e r a t o m a , volk we t u m o u r or
Trang 10152 Carcinoma of Hie ovary and Fallopian tube
aic found in a bunt Jti per cent ofdvspier.mmoma.s Very [horough sampling of all dyi-
geruiinomifi must be undertaken by the
hi*topatholo-gibt to cTicludi; the present uf these more malignant
perm i ell elements, ab (his indicates a
Other getrfft
ioJk sac [eiidodiimal sinus! Hun.ou.is
Yolk SdC ^ndoderrrm] sinus) tumour is the second
most common malign a nl g<:rm cell tumour of the
w a r j , making up 10-15 percenl overall and reaching
a higher proportion in ihildren lr nlay present M an
acute ahdoriien due to rupTujecfthe T u m o u r
follow-ing necrosis and haemorrhage, I he tumour i.s usually
well encapsulated and solid Areab of necrosis dnd
haemorrhage are ofl en seen, as are small cystic spacei
Irs consistency vanes from bull to firm arid rubber}'
and its cut surface ib slippery and rnucoid IT often
secretes APR wmch tan be used to iririnilurlrcatnieiiT
Teratonia
Mature teratnmas dct benign, the muit common
being the tjbticteratonid tu dcnnoidcysl Ibimd at all
jgei but particularly ill ihe lliird ^nd fourth dc^dcs
NoT ^11 bolid teratomas are i m mat iff e type,
Immatm* leratomas arc composed of a wide
var-iety of tissue:, and comprise rfbout 1 per cent of alf
ovarian terJTom^s, They are unilateral in alcno>l all
cases dnj jppear as solid m;i3&e^ thai have iinoonh
and bo&seUli'd surfaces The culsui race shiihimamly
solid (issue, aliliough small cvslk spaces are visible
Blood levels of p-liCG and AFP should bu es-tima red,
e\ren \\-hen the t u m o u r appeals tore a Slwightfoi ward
immature
TVeatment
A malign a nl germ cell tumour should be suspected
prior to surfer,' if a young \\oman has what appears
to he j prcJoininanQy solid t u m o u r on ultrasound
examination Such n i • should be refined to a
oncologist
Trpnlmenl of rmn-epitlielial rumours
Sev rn'd ^'idilidl '-miurs
Mainly Irdated by sirgarv-fiysittnictomv and bilateisl
• Chemotherapy (when required) same reglmans uasfl tot apimwigj
• Germ cell lumD
» Mainl; conservative surgery because thti
cheminthergpvl^ highly efi required
Umliitpr.il ^Iplngu-oDphorKTomy only in young
ivornen with Slge fa
harlv diica&e is treated by biirgery In young womenwild Stage la distase unildlt-rdl uopbo recto my rrwysuffice, but in okler patients, hyslereclomy and bilat-eral ^alpingo-oophorM.lumy is recommended Womenare suil-ible for conservative surgery if ihey have aunilateral eni^psulated tumour uo abates, no e\'irfenu:
oi abnormal lymph nodes ai surgery jnJ a negative
CT scan of the para-aor|i< nodes
Stage 1 malignant lerarom^i iind dy.sgerminoin-jmay be fallowed up closely wi(houl further treal-inenl For Ihe remainder, chemotherapy b^s replacedradiotherapy, particularly in Iho young age gronpj inwhich (hia tumour is most common, as fertility
is likely to be preserved, ^hort courses of risplaunchemolherapi, given in combination with bleornyciftandetoposidc |B£P) are curative in the 90 per cent rfpHtients without adverse features, MOR' mtensneregiinens are u^ed for patients with adverse features, ]
CANCER OF THE FALLOPIAN TUBE
Primary carcinoma of the Fallopian tuberare, comprising only 0.3 per cent ofmalignancies However, only t-arly Fallopiancarcinomas mn be distinguished with certaintyovarian disease ^ Study of screening for ovariancer detected three cases of early F a l l o p i a n lubeoma and 19 ovarian tumoun, a relative prev
15 limes greater Mian expected 'iTiis surges
hallopian tube carcinoma may he more cothan is realized
PiimarvLardiiomais usually unilatcial Theage ri| diagnosis is 5fr y^ars Many of the p^
nulfiparou!.''15percent)laildinkiilaliti-isre
up to 71 per o;nt of these women Tumouridenlkal to thai of ovarian cancer, and met
in peKk and para-aorlk nodes are cnnimo-n
Table U.3 THJOsta
Trang 11Cancer ol the
same regimtiis
[fie patienls.are
Nghly
ingcry In vuimg women
rral flopbnrectomy may
hvsleiecloLny and
bilal-s recommended Womun
• surgery if ihti1 have a
ir noasdtes, no evidence
I surgery and ii negative
Hies
as and dysge-rniinomas
1 without hirthei
lieal-mothcrapy has replaced
the young ,i£f grim])1; in
t common, as fertilily
Bit courses of cisnlalin
nnation mlh blt'ormcin
u h r in |be9(| percent of
am res More intensive
Is with adverse feature!
IPIAN TUBE
Ilo|>ian lube is extremely
y ceni ol' gi naecological
\Y early Fallopian
shid ivilh ccrldiiity
Teen ing far ovarian
can-iv Fallopian lube
curdn-ns P re-liHin' [ire-valence
cted Thi^ suggests lha[
may be more common
dry unil<]ier<il Tlie mean
Manv oi ihe patients are
I'lierc nuv be dldenu: of m-situ ease in lhetuba.1 epithelium
dis-Cdrunoma of ibe Fallopian lube! usuallythe lumen with lumour The tumour may j>rolrudethrough the fimbri&l tnil and the tube may be retortshaped, resemblmp a hydroailpinSs Ii [s usually very
r lo ihc serous adcnocarcinoma of [be ovarv
The F1GO clinical staging is similar to that usedfur ovarian cancer {Table 13.3J Probably because ofthe difTiaillj in ijlstin^ni^hin^ between ad^'anccdovarian and advanced Fallopian lube carcinoma, 74per cent of Fallopian tube carcinomas, are diagnosed atStage l-Ma, ( h e renuining 2fi per ccnl jrt Stage llb-lV"
Table 13,3 FTGO staging r^r ^allnpi^Ll lubi: carcinoma
0 Carcinoma in sim-limiied lo the tubal rnucosa
1 Growth limited to the Fallopian tubes
la One tube involved wilh extension into thesnbnuicosaor
Not penecnling Ihe aerosal surface
No ascites
Hi Both tubes mvolved but otherwise a*, for fa
lc One urboth lubes with extension through or onto thetubal seros.i or
ascites with malignant cells orpositive peritoneal washings
II Growth involving one or botb Fallopian tubes with pelvic extension
lla Extension or metasMses 10 ihe ulerns or ovarieslib Extension to other pelvic or&diis
Ilk Sldgc lla or lib plus ascites with malignant cells or
positive peritoneal washings
I II Tumour involves one or both Fallopian tubes with peritoneal implants outside the
pelvis or positive retroperitoneal or i n g u i n a l nodes;
Superficial liver melastases equals Stage 111Tumour appears l i m i t e d lo (he Irue pel' is but with historically proven malignantextension to tbe small bowel or oincntum
I l i a Tumour 15 grossly limited to the true pelvis with n e g a t i v e K m p J i mxlri but
wilh historically confirmed microscopic seeding of abdominal peritonealsurfaces
lllh l u m o u r involving one 01 both Fallopian tubes with histologicaUvconfinneil
implants Of abdominal peritoneal surfaces., none exceeding 2 c m in diame[erLymph node^ are negative
lllc Abdominal implant! >2cm in diameter or posit he relropcriloneal or inguinal
nodesGrowth involving one or bolh Fdllupian lubes with distanl mctastases
11 pleural effusion is present, there musl bepusili'u cytology
melastases equals Slage TV'