WorlHde alOtrhg anizCaltaisosni foifTc uamtoiuorns LeBoPEi..t B, u rGg.W ,e edDo.n, FletCc.Dh .Me .rB, r idJg.eA ., LouDi.Ns . O,h gaHk.Wi,i es0t.l0e.r, SaraAs.(i End Wso)r:Hl eda lth HogendPoC.o.W r .nM, e rtFe.(n Esd s)C:a venWe.Ke .( Eds): OrganiCzlaatsisoinfo ifc atioWnH OC lassioffiTc uamtoiuorns WHOC lassiofifTc uamtoiuoorfns TumouPrast.h oalnoGdge yn eticso fS oTfits saunBedo n(e4 etdhi tiont)hC.ee ntNrearlv Soyusst (eRme vised ofS kiTnu mou(r3sre dd ition). IARLCy:o 2n0 13. 4tehd itIiAoRnLC)y:.o 2 n0 16. IARPCr eLsyso:2n 0 06. ISB9N7 8-92-832-2434-1IS B9N7 8-92-832-4492-9 ISB9N7 8-92-832-2414-0 SwerdSlH.o. Cw,a mpSo.H ,a rNr.Li .s, K urmRa.nJC .a,r caMn.Lg .i,u EI-NaAg.Kg .aC,rh aJn. K.C., JafEfS.e. P ,i lSeA.r .Si,t eHi.n, HerriCn.Sg .tY,oo nu nRg.H .( Eds):G radJi.As .T ,a kaTt.Sa,l ootPwJ.e. g ThiJe.lV,ea rdiJmW.a. ·(nE d:s ) WHO ClassoifTf uimcoautriso n (EdWsH)O:C lassioffiH ceaatdi on WHOC lassioffiT cuamtoiuoorfns ofF emaRleep roductive and NTeucmko (u4 rteshd ition). HaematopaonLidye mtpihcTo iisds uOersg a(n4set dhi tIiAoRnLC)y:.o 2 n0 14.I ARLCy:o 2n0 17. (4etdhi tIiAoRnLC)y:.o 2 n0 08. ISB9N7 8-92-832-2435-I8S B9N7 8-92-832-2438-9 ISB9N7 8-92-832-2431-0 BosmFaT.n. C,a rnFe.i,r o TraWv.iD s.B ,r ambEi.Bl,ul raAk .Pe . , LloRy.Vd . O,s amuRr.Ya .K ,l opGp.e,l HrubRa.nHT .h,e iNs.De .( Eds): MarAx.N ,i choAl.sG(o.En d s): RosJa.(i E dWsH)O:C lassioffic ation WHOC lassioffTi ucmaotouirfos n WHOC lassioffTi ucmaotouifro sn TumouorfE sn docOrrignaen s thDei gesStyisvt{ee4 met dhi tion)t.hL eu ng, PleuarnaHd,e aTrhty (m4uetsdh i tIiAoRnLC)y:.o 2 n0 17. IARLCy:o 2n0 10. (4etdhi tIiAoRnLC)y:.o 2 n0 15. ISB9N7 8-92-832-4493-6 ISB9N7 8-92-832-2432-I7S B9N7 8-92-832-2436-5 LakhSaR.n. Ei,l l1i.Ss0c .h,n Si.tJt. , MocHh. H,u mphPr.eAy. , TaPn. Hv.a,dn e V ijMv.eJ(r.E ds): UlbrTiM.g. hR,te utVeE.r. ( Eds): WHOC lassioffTi ucmaotouifrtos hn e WHOC lassioffTi ucmaotouifrto shn e Breasetd i(t4IitAohRn LC)y:.o 2 n0 12.U rinSayrsyta enmMd a lGee nital ISB9N7 8-92-832-2433-O4r ga(n4set dhi tIiAoRnLC)y:.o 2 n0 16. ISB9N7 8-92-832-2437-2 Thibso oakn da lolt her vooftl huseme ersci aenbse p urchased: Froamllc ountries Frotmh UeS A FroCma nada StyPluubsl iLsLhCi ng, WHOP ress RenoPuufb lishing Company Limited WorHleda lOtrhg anization 228Q8u3i ckDsriilPvvOeBe or6x 0 5 22-10P1o0l yStterke et 121G1e ne2v7a HernVdAo2 n0 172-05 OttaOwNKa 1 9JJ 1 Te+l .81 0 203 022 23 Switzerland Te+l .81 6 766 7 6766 or+ 710 636 115 81 Te+l4.21 2 7 9312 64 Fa+x1 6 1734 756 60 Fa+x4 212 7 9418 57 Fa+x1 70636115 01 [email protected] oosumf [email protected] [email protected] www.renoufbooks.com www.styluspub.com www.who.int/bookorders/ Contents 1 Tumouorfts hp ei tugiltaanrdy 123 Spinedpliet hteulmiowauilrtt hhy musd-llrirkeer entlation 11 WHOc lassioffti ucmaotouiftro hsnpe i tuitary 125 12 lntratthhyyrmcoiaicrd c inoma Introduction 127 13 Paraganagnlmdie osmean chymatlu/msoturrosm al Pituaidteanroym a 127 14 Paraganglioma Somatoatdreonpohm a 128 19 Peripnheerrsvahele attuhm ours Lactoatdreonpohm a 129 24 Benivgans ctuulmaoru rs T hyrotroph adenoma 129 28 Angiosarcoma Corticaodternoopmha 132 30 Smoomtuhs ctluem ours Gonadoatdreonpohm a 133 Soliftiabrryo us tumour 34 Nuclelal dle noma 135 37 Haematolytmupmhoouirds Plurihoarnmdo ndaoalud belneo mas 39 Langercheahlnilss tlocytosls 135 Pituciatracriyn oma 136 41 Rosai-Ddoirsremaasne Pitubiltaasrtyo ma Follidceunldacrerisl tallr cc oma 136 45 Craniopharyngioma 46 Primtahryyrl oyimdp homa 137 Neuroannapdla ranetuurmoonuarls 48 Germ tcuemlolu rs 139 Ganglioacnymdti oxmgeaad n gliocytoma-a4d8e nomSae contduamroyu rs 142 Neurocytoma 49 Paraganglioma 50 3 Tumouorft shp ea rathgylraonidds 145 Neuroblastoma 51 WHOc lassiofrti ucmaotouiftro hsnpe a rathgylraonidds1 46 Tumoouftr shp eo stepriitouri tary 52 TNM stoaftg uimnogou ftr hse parathyroid 1g4l6a nds Mesenchaynmsdat lr otmuamlo urs 55 Parathcyarrociidn oma 147 Meningioma 55 Parathaydreoniodm a 153 Schwannoma 56 Secondmaersye,n chaynmodat lht eurm ours 159 Chordoma 57 Haemangiopericfyitbortmouaum/soS uorl ita5r8y 4 Tumouorfts ha ed recnoarlt ex 161 Haematolytmupmhoouirds 60 WHOc lalscsaltofift o unm oouftr hse adcroerntaelx 162 Gercme tlulm ours 61 TNMc lassioffti ucmaotouiftro hsne adcroerntaelx 162 Secontduamroyu rs 63 Adrecnoarltc iacracli noma 163 Adrecnoarlta idceanlo ma 169 65 Secxo rsdt-rotmuamlo urs 2 Tumouorfts ht eh yrgoliadn d 173 WHOc lassioffti ucmaotouiftro hsnte h yrgoliadn d 66 Adenomtautmooidu r 174 TNMc lassioffti ucmaotouiftro hsnte h yrgoliadn d 67 Mesenchaynmsdat lr otmuamlo urs 175 68 Myelolipoma Introduction 175 69 Schwannoma Folliacduelnaorm a 176 Hyalitnriazbiencgu lar tumour 73 Haematoltymupmhoouirds 177 Otheenrc apsufloaltleidc ulatrh-yprtaoutimtdoe urrnse7 d5 Secontduamroyu rs 178 76 Tumooufur nsc ermtaaliingp noatnetn tial Non-infvoalslitivhceyu rnloeaiordp lwaistmh 5 Tumouorfts ha ed remneadlu alnlda 78 papillnaurcyl-feleaiarkt eu res extra-apdarreangaaln glla 179 81 Papitlhlyarrcoayir dc inoma WHOc lassioffti ucmaotouiftro hsnae d remneadlu alnlda 92 extra-paadrraegnaanlg lia Follitchuylrcaoarir dc inoma 180 96 H0rt(holnec occeytltulim co)u rs TNMs tagoiftn ugm oouftr hsae d remneadlu alnlda 100 Poodrilfyf ertehnytricoaaitrdec di noma extra-paadrraegnaanlg lia 180 Anapltahsytrcioacir dc inoma 104 Introduction 181 107 Phaeochromocytoma Squamcoeuclsal r cinoma 183 108 Extra-paadrraengaaln gliomas Medultlhayrrcyoa irdc inoma 190 114 Mixmeedd ulalnafdro yl ltihcyurcloaairrdc inoma Heaadn nde cpka ragangliomas 190 117 Sympatphaertaigca nglioma Mucoepidcearrmcoiindo ma 192 119 Sclermouscionegp ldcearrmcoiiwndio etmohas inophilia Neurobtluamsotouiftrc hs ae d renal gland 196 121 Composite phaeochromocytoma Mucinous carcinoma 204 122 Compopsairtaeg anglioma Ectopic thymoma 206 6 Neoplaosftm hsne e uroendpoacnrcirneea s 209 WHOc lassioffin ceaotpiloaonsft m hse neuroendpoacnrcirneea s 210 TNMc lassioffit cuamtooiufonr nes u roendpoacnrcirneea s 210 Introduction 211 Non-func(tnioonn-isnygnn deruormoiecn)dt oucmroiunres 215 lnsulinoma 222 Glucagonoma 225 Somatostatinoma 227 Gastrinoma 229 VIPoma 231 Serotonin-tpurmoodwuuircatsinh nwd gi thcoaurtc inoid syndrome 233 ACTH-protduumcoiwunirgtC uhs hsiynngd rome 234 Pancrneeautrioce ndcoacrrciin(nepo omoadr ilfyf erentiated neuroendnoecorpilnaes m) 235 Mixneedu roendocreiunreo-ennodnnoe-conrpilnaes m2s3 8 Mixdeudc tal-neurcoaerncdioncormianse 238 Mixaecdi nar-neurcoaerncdioncormianse 239 241 7 nhIeirtetdu mosuyrn dromes 242 Introduction 243 Multeinpdloec nreionpel taysp1ie a 248 Multeinpdloec nreionpel taysp2ie a 253 Multeinpdloec nreionpel as4i a type 255 Hyperparathytruomiosduyirns dmr-ojmaew 257 VoHni ppel-sLyinnddraoum e Famiplairaalg anglioma-phaseyoncdhrroommeosc ytoma 262 causbeySd O HBS,O HCa,n SdO HOm utations 266 Neurofibrtoymp1ae t osis 269 Carnceoym plex 272 McCune-Aslybnrdirgohmte 275 Faminloina-lm edtuhlylrcaoarinydc er 275 Cowdseynn draonmPdeT EN-relleastieodn s 276 Famialdieanlo maptooluyspa onsAdiP sC -relleastieodn s 277 Non-syndromtihcy rcfoaainmdci elri al 278 Wernseyrn draonmCdea rnceoym plex 280 OICEsRy1n drome 282 Glucacgeohlnyl p erpalnandse ioap lasia 285 Contributors 295 Declaroafit nitoenr ests 296 IARC/WCHoOm mitftoterhe Ie C D-O 297 Sourocfef si gures 300 Sourocfet sa bles 301 References 347 Subjiencdte x 355 Liosfat b breviations CHAPTER 1 Tumourosft hep ituitgalrayn d Pituaidteanroym a Pituciatracriyn oma Pitubiltaasrtyo ma Craniopharyngioma Neuroannapdla raneutruomnoaulr s Tumouorfts hp eo stepriitouri tary Mesenchaynmsdat lr otmuamlo urs Haematolytmupmhoouirds Gercme tlulm ours Secondtaurmyo urs WHOc lassifoiftc uamtoiuoornfts h pei tuitary Pituiatdaernyo mas Mesenchaynmdas lt rotmuamlo urs 9530/0 Pituaidteanroym a Meningioma 8272/0 9560/0 Somatotardoepnho ma Schwannoma 8272/0 9370/3 Lactotardoepnho ma ChordoNmOaS, 8271/0 9371/3 Thyrotardoepnho ma Chondcrhooirdd oma 8272/0 9372/3 Corticoatdreonpohm a Dediffercehnotridaotmead 8272/0 Gonadotardoepnho ma Haemangiopericyftiobmrtaou/umSsoo ulri tary 8272/0 Nuclelal dle noma Gra1dH eP C/SFT 8815/0 8272/0 8815/1 Plurihoarnmddoo nuaballd ee nomas Gra2dH eP C/SFT 8272/0 8815/3 Gra3dH eP C/SFT Pituictaarrcyi noma 8272/3 Haematolymtpuhmooiudr s Pituibtlaarys toma 8273/3" Gercme tlulm ours Germinoma 9064/3 Craniopharyngioma 9350/1 Adamantincormaantiooupsh aryngioma Yolskat cu mour 9071/3 9351/1 Papilclraarnyi opharyngioma Embrycoanracli noma 9070/3 9352/1 Choriocarcinoma 9100/3 Te ratoNmOaS, 9080/1 Neuroannadpl a raneutruomnoaulr s Ganglioacnydmt ioxmead Matutreer atoma 9080/0 gangliocytoma-adenoma Immattuerrea toma 9080/3 9492/0 Neurocytoma Treatowmiatm ha ligtnraannts formation 9506/1 9084/3 Paraganglioma gercme tlulm our 8693/3 Mixed 9085/3 Neuroblastoma 9500/3 Secondtaurmyo urs Tumouorfts h peo sterior pituitary Pituicytoma 9432/1 Them orphocloodgeaysr f er otmh Ien ternaCltsaislofntiaicnlooa fD iseases Granucletalurlm oouftr h see lrleagri on 9582/0 foOrn col(oIgCyO l-8O9)8 BAelh.a viiscoo udre /d0f obre nitgunm ours: Spincdelolenl c ocytoma 8290/0 /1f ourn specbiofiredde,ro lrui nncee,r bteahianv i/o2fu ocrra; r cinIonm a Selelpaern dymoma 9391•/ 1 siatnudg rad1e1l 1n traepnletohpellaalsnaid/la 3f ; om ra ligtnuamnotu rs. hec lassifiismc oadtiiffoirneo tdmh per eviWoHuOsc lassiftiackaitnigo n, : inatcoc oucnhta ngienos u urn derstaonftd hienlsgee s ions. "Thenseewc odewse raep probvyet dhI eA RC/WHCOo mmitftoIerCe D -O. 12 Tumouorfts hp ei tugiltaanrdy Introduction OsamuRr.Ya . LopMe.sB .S . GrossAm.a n KontogeGo.r gos TrouJi.l las Thicsh apdteesrc rpiibteusai dteanroy (I.mei.t octoiucan ntd K i-p6r7o lifera onp ituitlairyn-ecfaeotglrhel de e signa masp,i tuictaarrcyi noma, and various tioofan d enomFaoesrx. a mptlhneee, w tioinn deixna) d,d ittoio otnhc elri nical othteurm ooucrcsu rirtni hnsege lalnadr paramestuecarhss i nvaassisoens sed design°astoimoant aodternoopdmhea " parasreelglioaofrtn h pei tugiltaanrdy. by MsRtIu daineds/i onrt raopeexrative finaeg sr oouftp u motuhraasrt de e rived Pituitary tahmdeoe snfotrm eaqsu,e nt aminaftoitroh ne ,e vaolIfun adtiivoind ual froamP ITl1i neaangdse e crgertoew th tumoiunrvso ltvhriiensgg i aormneo, s tly hormotnheri;es p latchfeeos r mteerr mt umotuhrmasat y beihnaam voerc el ini benitgunm ouPrist.u ictaarcriyn iosm a •grohwotrhm one-praoddeuncoimnacg"a .la lgyg remsasninvAeedr e.n oimnav a verrya raen,db ecaussiego nfsh isto Then ewc lassifriecmaatibinaossn e ds ioansa, s sesseMdR Is tbuyd aineds/ patholmoagliicganlaa rnleca yc kiitnsg , oni mmunohistofcothrhe mema iisnto rriy n traopeexraamtiinsvaheto iubolend , diagniosos nilcsyo nsidwehremened secrehtoirnmgo nOetsh.ie mrm unohciosnsidaenir mepdo rptraongtn foesatic tastaarspeer se sAen netwe. n tpiittyu,i tochemicals ucmahask r ekrearatsli,tn ,u rient hemsoer cel iniacgaglrleys sive tabrlya stiodsme as,c riitnbh ecidhs a pter lofwo dri fferebnettiwaectelinio nni caadlelnyo( msaepse.1 7{ 2814}}. asp arotfa k nowgne nebtaicck ground relehviasntto lsougbitcysapulec sah,s Specaidaeln osmuab tytpheacsto m (OICmEuRt1a tAilosdnoe) s.c riidnbe ed densaenldsy p arsely sgormaanmuolnaslthyeo daw g gresbseihvaevm iuosutr taairlte u moaurrissi itnnh pgeo stpeiritoort roph awdheinwcoehmr paers e,v ioaulssboet akiennta oc couTnhte.si en tuitianpr ayr,t itchuolbsaeerl iteovb eed l iyd entointf hibeea dso ifus l trastrculcutsdupera arlsg erlayn ulsaotmeadt otroph derifvreopdmi tui(ctymhtoeed si gfliieadfl e atuErleesc.tm riocnr osicson poyw adeno(msae Seo matotraodpehn oma, celolfts h e posterior pituitary}, Including raruesleytd oc laspsiitfuyti utmaoruyr ps1..9 l)a,c toatdreonpohim nma esn ( see pituicytomcae,tl ulgm rooauftnr hu el ar Lactoatdreonpohpm 2.a4 ,C) r,o ockeel l postepriitouria tnadsr pyi,nc delolenl Prognaonspdir se diction adenoamnasd i lceonrtt icaodternooph cocytoAmlat.h otuhgehts uem oaurresA lthomuogsphti tuitarbye htauvmmeoa (u sresCe o rticaodteronpohpm 3.a0 ,) , verrya rteh,er ierc ogniisit mipoonr tbaennti g(nil.dyeo n. o mte tastaansdi zaen)dp lurihoPrImTo1n-aplao dseintoive becatuhseeay ra ec rucdiiaflf edrienatrtieha elr ecfaolralede edn omtahsef,yr ema( previcoaulslsleiydl s eunbtt 3y pe agnofsoitrsh m eo scto mmoand enomqau;e nitnlvyai dnett hoae d jacsetnrtu acdenosmeaPle;u rihormaonnddao lu ble theretfhoeraiecr,c urdaitaeg nhoassi tsu rleesa,d tiorn egc urrTehnecree.f aodreen,o pm3.a9 s},. important itmhpelriacpaetuitocinlcsi .na incdpa alt holpoagriacmaelt ers for Othteurm oaurrissi intnh sgee lrleagri opnr ediscutccihln ign aigcgarlelbsyes ivGee neptirocf ainlsdeu sceptibility thaartre e vieiwnde edti anicll curdaen hiaviaoreuesr s ential. Althomuogsahtd enoamrasesp oradic, opharyn(gani oonm-atr uamroewu irta h Int h2e0 0c4l assitfhiceca atteiogofon rc,ye rtfaaimnis lyinadlr oamreaess soci bimoadgaedl i strimbeusteinocnh}y,pm iatlu tiutmaorwuyar sds i viidnettdho r eaet ewdi tphi tuiatdaernyo miansc.l ud tumouarngsde, r cme tlulm ours. subcatetgyopriiacedasel:n oamtay,p iinmgu lteinpdloec nreionpel taysp1ie,a caald enoamnadc, a rcinAotmyap.i mcuallt iepnldeo crine neo4p,l asia type adenowmearsde e fibnyae h di gmhi totCiacr ney cofmampililesixoa,ll a ted pi Newc lassifoifpc iattuiiotna ry indaeK xi,- p6r7o lifienrda>et3 xi% o,n t uitary adenoma, McCune-Albright syn adenomas ands tronnugc lpe5a3sr t ainWiintghd. r omSeD,H -relfaatmeidpl iitauli tary Terminology Ouirm prouvnedde rstoaftn hdreio nlget hecsrei ttehriein ac,i doefan tcyep iacdaeln onmeau,r ofibtryopm1ea,v t oons is adenowmaars e lavtairvie(al5by-l 1e0 %), oft ranscriptiinto hnde i ffafcetroerns Hippel-slyinnddraoaumn edD, I CER1 tiaotfia onnt epriitourci etlaalrnsydt hea npdr ognsoisgtniicf ciocuanlnodbct ee syndrome b(lpaisttuoMimotasao)trf. y establdiesshpmeiodtr ete h a1n0y ears reguloafst pieocnpi iftiuchi otramroyn es thteu moausrsso cwiiafttahem di slyinal (e.PgI.TS 1F,1a ,n dTP IhTa)cs h angeodfr eseaorntc hhue t iolfit thyic sl asdromseesc rgertoewh tohr moanned /or sificTahteiroentf.ho tere er,"m a typical ouurn derstoaftn hdpeir negs unmaed prolaacntdsi ung gaecstti voaftt hieo n adenoimsan "ol ongreerc ommended. tuorfet hpei tucietlaflrrsyow mh iacdh PITt1r anscription factor. Howevweerr ,e commtehnaeds sess enomdaesr iIvnle i.go hfthti n se kwn owl menotfm arkoefrt su mopurro liferation edgteh,ce u rrcelnats siffoiccuasteiso n Introduc1t3i on LopMe sB .S. Pituiatdaernyo ma OsamuRrY.a. MatsAu.n o GrossAm.a n TrouJi llas KorboMn.i ts Io vaIc.<s Definition Pituaidteanroyim saan eoplparsotliicf eratoifao nnt epriitourhi otramroyn e-pro ducicnegl Tlhset. u moaurrtesy pically benibgunct,a bne a ggreasnsidin vvea siivneat doj ascternutc tures. ICD-c0o de 8272/0 Epidemiology Pituaidteanroym caosn staiptpurtoex i 1.02 Fig.P ituaidteanroMyma ac.r oscopy. mate1l5y%o ta liln tranceroapnli.aa slm s Mospti tutiutmaorauyrra esd enoamnads adenom(a<1s c m)m,a croadenomas arbee niagnndn on-in(via.cseoi.nv e (1-c4m )o,rg iaandte no(m>a4 sc m). finteotd h see ltluar cBiucitan )v.a sive Manayd enom(a3s5 -4in5av%d)ei nto adenoamraaesl fsroe qPuietnutci.at rary Fig1.. 01 Invapsiivteu itary Kandoesnpo ma, cinoamraresa raec,c oufnotorin n0lgy. 1- adjacsetnrtu c(t1u7r9e9s, m3a0c88); gra4d.Ae d enoImnav oblivlianctgae vrearslni onuuss 0.2o%fa lpli tueintdaorcytr uimnoeu rs. roadenaonmdag si aandte nomaarse surroucnadrioantrgit de ries. particluilkteaoilr nylv yai dnett hoce a v Adenomaartsee rmseidl wehnettn h ee rnous Suspirnaussae.nl pdla arra sellar Etiology Somcea saersi dsuete o n owsno matpiact isehnotnw osc linsiicgaannlstd h ereex tensciaonbn esd istinguished from mutatbiuottno sar,s ubstparnotpioairlns o h ormoenlaelv iatnth iseoe nr buumt t ruien vatsoit ohcnea veronros upsh e tioonfp ituaidteanroytm haeest ioltohgteyu moduerm onsthroartmeopsnr eo noisdianlou nst hbea soifas n atomical isp oorly unTdheefr isntdooiofnd gd.su ctoinio mnm unohist[o2c9h1e4smJti.us dtlir8ey7as 7n Jid magiOnntg h.be a sis experismteundtsiauelgs gt ehstatht te u Recentthtleey r",ma ggrehsasbsie veeno" f e ndoscveoirfpiicticao ,on nlgyr a3d e morigmeencihca niinsvmostl hvleeo ssu sebdy c linitcodi easnisg rnaadtieao nd4 t umoaucrcso rtdoti hnleg< nosp ofa ntioncfoagcetonoritr chso e v erelxogiicnavlalasydi evneo mwahsig,cr ho w classiafrineco awct oinosni dteobr ee d pressofio onnc ogfeancitcpo rrosb,a brlayp itdelntydro, e courpr r ograensadsr ,e invaisnittvhoece a versnionu{us4s )6 .1 ono rn eatrhc ee slulr face. resitsotc aonmtb itnreeda timnecnltu d insgu rgaenrrdya di[a4t16i,o1n7 42,1824, Microscopy Localization 2255}. Imprciyntto logy Mospti tuaidteanroyam raleso caltioz ed Forra piindt raopdeiraagtniiovmsei s, thsee ltluar cbiucstao ,m oec ciuntr h eI maging prisnpte cimmeanybs eh elpffoduril s sphenosiidnauls ;a rtceha elslee dO net chbea soifts h eliarr gdeismte nsion, tingubiesthiwnepgei nt uaidteanroym as toppiict uaidteanroyfm 2a7s6 4J. adenomaarsed esignaastm eidc ro- ando thteurm ouirnsc,l umdailnigg nant Clinical features Thsei gannssd y mptoofpm ist uitary ad enomiansc lsuydmep tomsb yct ahues ed excehsosr mopnreosd ubcyse od- called functiaodneinnogm Maass.se ffects, sucahsb itemhpeomriaaln doippilao,p ia, anhde adaacrhmeeo ,sc to mmosneleyn inc linincoanl-lfyu ncatdieonnoimnags . Symptoofhm ysp opitcuaiantl aosrcoi sm cuerx:c ess porgfor douwchttoihrom no ne (GHp)r,o laTcStHai,nn Ad,C THr,e spec tivcealcnya ,u ascer omeagnagdli yg an tisgma,l actoarnrdhh yopeoag onadism, hyperthyarnoCdiu dsihdsiismne,ga .sI en sucshy mptocmaastetishcc,e o rrespond insge rhuomr mloenveae rleesl evated. 14 Tumoouftr hspe i tugiltaanrdy lymphoamsat,r ocayntdso emcao,n dary inhgo rmosnheosu bledr outipneerlmya joorfit thayed enoma whceelrlesa,s tumo(u1r1s, 2192}. formGeHd,p: r olaTcStHi-nbA,eC tTaH,, s pargsrealnyu sloamtaetdo atdreonpoh FSH-bLeHt-ab,e atnada, l pshuab unmiats.( SGSsAh)o wwe akaenrdm orfeo Microsaclogpoyr aintdph rmo tocol lmmunohistofcohtrer mainsstcrrcyia pGltH ii omnm unoreactivity. TypicaolnHl &yEs, t aisnoimnagt,o trophs factionrcsl,u PdIiTnS1gF, 1 a,n dT PITl,m munoreafcotril voiwt-ym olecular areeo sinoapnhdic loirct icoatrreo phs mayb eu seffuoflru rtchlears sifiwceaitgihcotyn t,o keruastiinnCg,K ?/8 basophGiolniacd.o traonpdth hsy ro butth vea liodfti hteyms aer kiesrs st i(lClA MSo.rC2 K)1 a8n tibomdaiyae lss,o tropahruses uaclhlryo mop(h1o4b0i0c, undienrv estigation. facilaidtdaitteid oinsaclr imionf ation 1820,2029). lmmunohistsotcahieanmliilncfogaow lrss pecaidfeinco mCayst.o keirsda itfin thcel assiofifpc iattuiaiodtnea nroym afsu sealndys tropnogsliyit nic voer tico accortdoti hneghi orr mocnoen taenndt t roapdhe nomIactsa .an l sdoi stinguish lmmunophenotype lmmunohistiostc hhgeeo mlsidts atnrdy distingsupieschiefsi c tahdaetSn oGmSaAfssr otmh ediern seglrya nulated arfdo trh dei agnoofps iitsu tiutmaoruycr osu plrde viboedu esslcyr oinbolenyad n counterdpoatr-tolsrig: kl eo buclyar andf otrh ecilra ssifiinctsaoet vieonun l trastbrausciTtshu.edr eanlso ifst ey tokerraetaicnti iscv ointsyiw sitttehhn et maisnu btyspoemsa:t otlraoctpoht,r corpeht,o ry graang uilvceeesnal nlwd i ptrheisne onfct eh e fibbordoisueesse n thyrotcroorpthi,c ogtornoapdho,t rtoupmhoc,ua rbn e d etermbianseoedndt heu ltrastrinuS cGtSuARrsia.nl gl-ycl yike nuclel(l ilm munonaengdta rtainvsec irnitpeannsddii tsyt riobfhu otrimoornne alt okeriamtmiunn ostianni onrimanangld tifoanc tor-naengpdal tuirvieh)o,r amcotniabvlyii. mt myu nohistoFcoehrxe mniesotprlya.s tic icdsoi ratgincooofst triocp hs Thger emaatj oorfti utmyo (uerxsc epta mlpaldcee,n sgerlayn ulsaotmeadt otCrroopohck hea nges. totraodpehn omaarsse)t rongly apdoesniotmaiarvcseeh aractbeysr tirzoendAg n timitocahnotnidbrocidaainlbe es fosry naptoapnhcdyh srionm ogAr.a niimnm unorefaocGrtH it vhirtoyu gthhoeuu ste tdo i denotnicfoyc cyhtaincg es. lmmunohistofcohtreh mefi osltlroycw y-topalnabdsy md iffuse oflt ahbeTe hlelrienmfga onroyef t, h epsaer tiicmu-lar Fi1g..0S 4p argsrealnyu sloamtaetdoa tdreonpoAhmS ap.a rse gpraatnwtuielatrafi hntb iroonu sB F biobdrbyoo.ud sy p owsiitht ive keCEr laetcimtnir cosrnto asicnoipnyg.. .. . - \ Fi1g..0 L5a ctoatdreonpoAhmS ap.a rgsrealnyu tlyapBteP e.rd o lsatcatiirnnei vneagGa ollspg alt .tC eE rlnecmtircorno scopy. - . ,, - '- Fi1g..0 T6h yroatdreonpoFhmo acafi.lb ris.o s Fig1.. 0C7r oeo c ealdle noHm&aEs. t aiannidn gF ig1.. 08G onadolardoepnhoP msae.u dorosette keratin (sitnasienti)n.g pattern. Pituitary a1d5e noma munohistopcahtetmaeirrcsenau sli table Tab1l.e0M o1r phofculnacsttsiioioopffnnii atcluaa idteanroym as alterntaout litvreass tsrtuucdtiuersa.l Transcnrf aicpttoiros Prolifieesr vaatliuuoasnti etndhgm e i totic anodt hceorf actors lmmunophenotype Adenotmyap e couanntd t hKei -p6r7o lifienrdaet ion Somatoatdreonpohm a asd etermuisnietndhgM e I Ba1n tibody ± PIT1 8 GH± P RLa lpshuab unit {3908,14K)i.- c6o7m mosntlaydi infs Densely granualdaetneodm as omatotroph 2 2 LMWCpKe:r inourdc ilfefaurs e fusetlhyr ougthhoeau dte nomwai,t h PIT1 identihfoitasbpilonoet n sla fy e cwa ses. GH± P RL Spargsrealnyus loamtaetdao dternoopmha LMWCdKo:t (-fliibkbreoo duise s) Whepnr esseuncthh,o tspsohtosub led usefdo trh mei totic counts. The validity PITE1R,- alpha GH+ P R(Li sna mcee ll) Mammosomaadteontormoap h ± ofp 5i3 mmunostfaopirrn eidnigbc eting alpshuab unit haviiossu trci olnlt ro!v3e9r18s,1i4al) . 2 2 PITE1R,- alpha GH+ P R(Li dni ffceerlelnst) Mixseodm ataontldra ocpthao dternoopmha ± Tof aciltihteartaepp eruetdiicct thieo n, subunit alpha expresosfti hoseno matosrteacteipn Lactoatdreonpohm a toSrSsT -R5{ 49c6a)bn e t esitnes do 2 PI,TE 1R-alpha PRL Spargsrealnyul laactteaoddt ernoaop mha matotrcooprht,i coantdrt ohpyhr,o troph PITE1R,- alpha PRL adenomas. Densgerlayn ullaactteaoddt ernoopmha I PRLG,H( foacniadnl c onstant) Acidosptheclmeal ldllec n oma LMWC:fK ibbroodu(isie nsc onstant) Ultrastructure I Electmriocnr osicson ponyte cessary Thyroatdreonpohm a TSH-,ba eltpsahuab unit PI,TG 1ATA2 fotrh reo utiinnvee stoifgp aittiuoint ary I Corticaodternoopmha tumouHrosw.e vuelrt,r astructural evalu 3 TPIT Densgerlayn ucloartteladcd oetnroompAahC T,LH MWC:dK ifpfautstee rn atimoanyb eu seifnut lhde i fferential di agnoosfiu sn ditterentianadt ed tumours TPIT Spargsrealnyuc loartteiadcd oetnroomApaCh T LHM,W C:dK ifpfautstee rn I ina verlyi mintuemdb oefra denoma ACTLHM,W C:rK ingp-altitkeernT PIT Crocoekaledl e noma subtyspuecsah,s p lurihoPrImTo1n-al Gonadotroph adenoma posiatdievneo ma. Spargsrealnyug loantaeddao dternoaop FmhSa H -,bL eHt-abaeltpsahu,ab unSiFt,G1 ATAE2R,- alpha (varcioomubsi nations()v ariable) Reporting Null cell adenoma Classifoifpc iattuiaiodtnea nroymr aes Nom arkers None quirmeosr pholaongdhi ocramlo inmal I Pluorrlmhoandaeln omas munohistocahsesmeiscsamle nt (see ± PlurihPoIrTm1oiv-nepaa odlse inbto ma GHP,R ,LT SH-baeltpsahu ab uPnIiTt1 Tab1l.e0 T1he)K .i -p6r7o lifienrdaetxi on Adenowmiuatnshu sual Varicooumsb inationsO thterra nscription canb eu seads a paramfeotprer ro g immunohisctoomcbhienmaltciaoln s fac(tvoarrsi able) nosetviacl uoafit nidoinv aiddeunaolm as Doubaldee nomas {3908,14A)d.d itpiaornaamle tthearts 2 2 mayb eo fp rognostic isnpi ignificance Distiandcetn omas UsuPaRlaLln yAd C T,H IP IaTn1Td P ,I T tuiatdaernyo amralesi sitTnea db 1l.e.0 respectively 2 respectively ACT,aH droecorticontrophiocrm o;nF eSH-,bf eotlallcleh-osrtmiomnuelb aesUtuGnabHg;gu, rn oihwtot rmho ne; Prognosis LH-bleuttae,ih nolrmzosinuenb gub neitLMatW; C K,l ow-emcoullarc-ywteoikgPehRratLtp ,ir no;l;T a ScHt-i,bn eta Certsauibnt yopfpe ist uaidteanroym as lhoylrd-sthiomrmuolsnauetib nubgne .it ta 1 tentdos homwo re-aggbreehsasviivoeu r Moscotm mosnu bt.y pe {4612,41)S8:G SAl.a ctomtarcorpoha db Previosuislsleuynb ttyca3 pal edle end.o ma enomianm enC,r oockeela ld enoma, silceonrtt icaodternoopamhna d,p luri hormoPnIaTl1 -paodseintoi(mvpaer evi Tab1l.e0 2 Othpearr amtehtmaeatryb s eo fp rognsoisgtniicIf npi ictaunaicdteea nroiymna a dsd ittoti hoen ousclayl lseildse unbtt 3ya pdee noma). morphofculnacstsi(iosfnTeiabaecall 1t e.i 0o1n) More-dedtiasicluesodsft i hoenes net i Tumosuir(z lea rdgiemsetn sion): microa(d1<ec nm,om) maac road(e1nc-om4)om ,gra i aandte n(o>mc4am ) tiiesis n cluidnte hiden divsiedcutailo ns one ach type. Tumo'suc rlinpirceasalet niton: clinfiucnacltclilyoi nnininocgna,-l fluyno csrti iloennitn g, Itn he0 04c lassiftihcceaa tteigooofnr ,y 2 InvasiovneM nR(eIKs nso gsrpa :d e) (grade non-inva1so i2rv)o ei r n va(sgir3vao ed4r e) pitutiutmaorwuyar ssd iviidnettdrho e e _ Metaisotsras spinal spread: carcinoma subcatetgyopriaicdeaesln: o amtay,p ical adenoamnadc, a rcinHoomwae.vt ehri,sA dditlimomnuanlo hlst:o chemistry divicsoiuonlnod bt e c linivcaallildya ted -ChromoAg ranin {2370,3N0e8v8e}r.ts h,se olmeoef t he � -Low-moleccuyltaork:C-e Kwr7ea(/itC8giA h.2nMt,)CS K18 _ patholpoagriacmaeiltn ecrlsu1 dnte hda t - Prolimfaerrk:Kae itir,-pos 65n7(3 il ni mciatseeds ) classifdiosc eaettmiob o eon f v alause -Transcfriapcattniocdoro nsf a:Pc It,ToS 1rF,Es1 R-a,Tl Pp,IhG TaAT,AN 2euroD1 prognomsatrikces rusca,hs a ighi � � -Predmiacrtki:Sev SreTs ,RS 2ST,RM SGMMTS.H 6 totiincda enxda h igKhi -p6r7o llferat1on 16 Tumouorfts hp ei tuitary gland