Document 1Q9zxM14b8XaQz95OgMK7xjxX

FILE NAME: Saranac 7th Symposium (SSY) DATE: 1952 Sept 15 DOC#: SSY051 DOCUMENT DESCRIPTION: Letter RE Definitions and Classification of Terms Pertaining to Pneumoconiosis with Article DP oe ps tagr trma de un t a t e o f MMe de idciacli nSe , c h PNEU ool MO of C O N IOSIS RESEARCH UNIT, Hot'smancKxxDHE Hammersmith H ospital, London, Dueane Hoad, LONDON, W.12 xm sxss& aaaaak 15th September, 1952. Dear A rt, th e d e f in itiIo nenacnlodsec lamsys icfoimcma teinotsn oonf ytoeurmr squpeestritoani*n icnogncteorning penndeuomnocponneuiomsiosc. onioIsihsawveithaodduetdraadn ioe lxotgr aic pa laracghraanpghe, awt htihceh is tah eproPbalneme l. upon whioh I should be g lad to have th e views of th e fo llo w Iinf g i tq uiesstiaolsno besucitoanbsliedefroedr tbhye thdeiscPuansseilo? n,- would pimnepuomr"tSoancinotcnepioiesraicsde,iotohgfreaepvphirdyeesnepcnreot vilinadcektsh etohfed iaasggirnenegomlseeisnmt oofasst ^to tpohnfeetuhemeaorcmloioenreisotsaicsd vhaaannrdcaecdatsesrttioas gt itehcse,ri asmdeaitonhol odimg oipcfoarcltal ans itsgsnsi ofs iucoracf et i oonf nagarteioer t=hJLa at ndi f inatne rinnatetironnaatilo noaonl fbuosidoyn,* sSuoches atsh eV.PHa.On.el doer riIv.Le d.Of.rowmerme etno waosrskeimngblein sseotms eoof f rathdeiogmraajpohrs pneumo fcoorn icolsaisss-rifisicka tiinodnu sttor iefsa dainndg weexrep etrots ciinrc udliaf ftee r ethnetm cagoruenemtreienst , wsooumlde bmeeaosburteainoefd parnecsentht aatg, reienmtehnet alingdhdt i s Locofanttechreersnceeirdcfiumnlidagtihnitognbse, oaaf bfclevon'ttfhoeerearngcsreeeetsouf potofhnefialemxcospmemmrotisnghstysthteemn? einnsdurief f ethr eant t thceo usnytsrteiems ."as b ein g used in the same way tIo.Lp.iOc . f otor tdhIoe asmPomanneoetthl.insug reaI bwhoauhvteetthhbeeirsenthqtiurseysiitnsiog natnoofasprtpiamrdoiupolrlaioategteic a l ci tla isss ifpiocsastiibolne ftho ar t twWo.Hy.Oe a. rms iwghitthboeut stsiumcucelastse,dbbuyt Ia th in.k re so lu tio n emerging from a Saranac Symposium. Tours sin cerely , KrSk. 'Jc& y vtvvm X ^ .^ 5 kr*w^> ^ ^ wy -- o w -v - PEgjgCTIOK MD CLASSIFICATION OF l'&hts FeikTJLln ing 'JO INa'JkOCON1051s / Pneumoconiosi s , 4-v i when th e f i rSsttcraiucdsutelsdyt., pbpyanrtefiucPmlteMoicbo8e1nc1i(1ooas1ie8s# Bthleoeadnogsreedatici"nparlotlhyceesinsluintiga te d ppaurrepnocsheysmtah eandd ecfainusitei#o nanoyf repnaecutimoonc.onioFsoisr pprrcaDcOtisceda l by tbh e I n te rlunnagOtBiQo 8npbraloledi uCc"oe^ndefeybr^eyn^ctoheneiocifinsthihsaelaisIti.oLan.Odoi.afginndouSssyata,brlxteshyediinsteera1s9e50of thoeu sst o lbideinpghausendbeurst toeoxdclutod inr egf elirv itnog poarrgtaicnuislma tse". m atTtheer in otfAefrHmt*rhEse0mrdBei,ps bpouortts anobof lteth"ae^whCae^roe8nfliemorsepsnlcieoesf), tfhuenTcoptiromensee, n(tcpheaeraowsf.orsdi5g"nadnsdisoe2ra7se " aahlbewrneaoyrsimmadpliilftiyef iscb ueanglytintasob. ndoermNfioanleshcajournpsdtidtwiioshnteirneocftnitoohrnem calualinntygbsee. nddsraIwatnnids * 5 bluentwg eeannaththe e aeccaurml iue lsattiocnhanogf essoooft coor adl upsnt eiunm oactoonwionsids,w oerlle r's ecvaesne s stiol i csopesaiks . o f(1 ", to2w)n. d wIet llweorsu'ldpbneeurmeaoscoonnaiobsleis"i.n soImn e tdshceutiesecnbtteeidf mi, cawdmeheeadtshicesirnotoehntihsaesbedaniaycglcinnhoisacirsaalcotoferrpirnsaetiducmiooclohcoagnnigicoeaslicsadnsuhrobineugld cl iafne b, e orre ahsiosntoalbolyg icaattlr iabfutteerd dteoa thth,e soprelosenngceas otfh di su scth. angeIn mf iorsstt fotorm sapopfeaprn, euanmdocroandiiooslios ghicisatlo laobgniocraml alcihtyanpgreesceadrees ththee a?{Pn.aPalthbaoyr&usgsnxhneio.nosfissocmalinendfi,ocraamsl sIoorsf fhupannlelcutsimhooonwcaolnlaicothseairns,gseiusncbhysoamms eaancysbayseesestaorsosifm lcoogalic panl ecuhmaoncgoesnioasries,duthee torevdeursste ini s thtreu elu)n. g wThhicehse, froa dr io s t i t u t i n g p8n1e1(u1mloogcoicnaiol sirse.a s.o n s, must be regarded a s con mc oann imo as y i s b et o t oc lads ec tshhi wae tfi t hho eob uj het c a dsti iopsnnaebut oiml i otaycpopnilsyioi snpigss y otchnheot hltoeegrmigc raopl un eumo ndsao f nraodt iog rloa ngtiecda l coevmipdeennscaet,ionan: domr,ayintheann baeread issugcrhu natsle dSoiufthheWablees dwihseeraes ela, rghee nmuamy bbeersaloafrmmeedn bayre thsee ridoiaugsnlyosaisffeancdte ddebvyelothpe hanavea nax iseetpy. s-taatet e t.erm I wt hwicohulcdo, utldh ebree fousreed, bfoe r andovann-dtaigs eaobulsintso pcnoenuimo soicsonarioesius,s ubaullty sbinucte dnifofne-rdeinsat bslitnaggesandof dais asbinlignlge pnnaethumoo- tplooagtuhicsoealol sgpeiprsoat,craeatsess, theeirtmcwsla.osusldiMf ibeoerseiolrvlaoedrgi,oigcthraaelphirnas dosiocr ilsoeengcittsiiftoincosrmoefdicine launna gms,usct ananpoptlydtihsetintgerumis hpntehuem odciosanbiolseids tforoma ltlh eth onsoen -idniswabholmed tu b e rc u loaskisnotronr cl iotvyerabttortihb uthtaeb lheeatloed daupsitc. al sWceaur seandthe term b ^ t ^ i n f * atch'fecmisveetnhdsaiibst eleathsedey;o chwtoaevresd ipdsoutilnmngooutniasrayhlartmtuhbetehtrwecoui rlbopys iasstiuewinthatebsnle vney discover an apical scar in a routine radiograph. For purposes of com pensation it may be n ecessarv :-*gu n im wtwm mmw. 2 bdye sscpriebceiapl nienuvmeosctoigniaotsoisr so. f sIetv emriitgyht sbueff iacpipernotp rtioa tenmtorit dcaopemfpirnpoeepnrsiiatatstieonlihmaissittos"lcofoogmripceeanalsc,ahtrafabodlreimoplonofgeuipcmnaoelu,comcnolicionosinisci"oa,sliasnodirn to functional term s. *' f"oshuonwd si tth da tiIfnfhiecthuheal tsPbtnoeeeunemxoapclomaniininoestiros, bRauemtseaidalorctehhsanUt onhtiitsshworewadhieaonvgoeruagnphoht dcoumstpetonsadtoioann. y haInrmb"oarndde rt-hliante bceasceans naoltsoth ewree fhoarvee efdxupnedctno danifoftihceur ltiyn ainsseesxspilnagin itnh eg tsheavte rditoyctoofrs thmeayd idsiesaasgereesowtihtha t onine msuackhincga, stehse, mwahnilemuaspt pnloict abtieo nsufroprrisceodm pi fensiat tiof an i lmsaydbeespwitoerth Wouerlshowcnodaliagmnionesris moufchpmneourem orecponlyiostois. accefept htahvee feoxuinsdtenthcee o f porbosfeersvseiro ne rtrhoermasmelovnegs!d o cto rs th an are members of the m edical A ctive and In activ e Dusts oc nhlayr aocntei trsisTthciechsepm, aistcuhacolhlnoaagstiucrsaeilzbaeu-cdttiivsatilistbyou tooinfo nai t. sd uanpsdth yudrpeiopcneanltdhse not idqnoutsaoen taaitdcytmivoinefst2ae0nrdeAdi.nngassoctrtoitmvheast iislniocpasoismmspiabylelbeec. lahsigFshoifrliyceaxatacimtoivpnleeo, iffadgguiisvvtesenn elionf nf ega ce t sr i npa gt e lreiaol dl l a . ri gf e a dd omsien, s tbe uret d t hi e n ssammaellqcuoannctietnytrmataiyo nhavoevenroa sound c la s sIifticmaitgihotn beo f pdousssitbs leacctoorrdeinacgh toa tthh ee oi rr eatcictiavlliyty on trheeta ibnaesdis inof ththee lurengla tainodn sthheip dbeegtrweeeenof thpea thamo loougnticoafl mchaatnegrei.a l pTahtuhso, loang icaacltivreea cdtuisotn waosumld i bt se ponreeseinncewhiinchththee ludneggreies ogfre a t tiahnnedr ebnleaartyhtiloolilnuomgtio)c stalhnedchaaanmngoeiunnaitscotirfveelraettdaiuvisnetelydwomsumldaatelblrei(aeoln.ge(.ei.ngc.owaalhlloal inheds cirooanl )w, hbicuht wheorueldwbeemceleat stshief ieddif faisc uinltayc titvhea t pderu sstes msuacyh, ains pcoamthboilnoagtiiocna lwcihthantguebse. rcu lo u s in fe c tio n , produce gross laicnheiesveandanAiyttvhwianosgtuldbamustotuainltlrooubfgehstoucfdlayl istwstiolfueilcdaptbrieaocnrteicqaaluolinregudsteht.oese As KaI nihtshoeprreasc'tioPtensehouormwostcienoanmmioysciposaa, plweder unosontws thpheraovdEeupceiedveidmmeuinocchloe gmytohrae t pnCWeoueamllsho ccooanliodsuisstsin inmetnh eexspaomseed atiorbethmeme tchoannc ednotrEantigolnis,h anbdituymeitnothues dcdgooea-srleenmoiotnfearfpsipbienraorrsetiosla tbiineo ntvheetroy lutdhniegf fseamroefonuatn.nt tohfrTarhceeittsaeeindaeniddffebcrioetaunlmt inous edinofhf enacloettds umdnudaysetrbsertaentdaduie.n etod dinifftehree nlcuensg, inthethereapsroonp ofrotiro nwhoicfh thwee idnaancgteirvoeusolynAtmnhyiesclbelaaadssiisnsifgio.cfa tainCoionmalaoldfeudxsupt eswtrsiamsienfnottosr aymceatyairvbsee reogr arded as harmless in Great B rita in and is s t i l l so regarded in fwr. r m o h n 1 o r ' n l v K o i ^ o n c o or-, *i mo l 1 r n ~ e rhr\ t"o +" c: H uo a n v - 3- S ilic o sis th e words I"daimse ausnea"waarnedo"f coannyd idtiioffne"reinnc er e loaftitohne tmoeasniilnigc oosf i s . Ias reag aforrdm anoyf ps ai ltihcoolos igsi.c a l Ichadnigs teinagtutriisbhu ttahbe lefo rtmo aftrieoen osfi lic a buyniftohremtleyrmd is"tCrilba usstiecda,lc onnocdeunlatrrics ,icl ioclolasgi se"n.o u s ,fib ro tic nodule-a Terms for S pecific E n titie s has beeh c lTe aher lywodrdemsoi lnisctroasteisd tshhaotuldth eonplya thbeo lousgeidc awl hcehnani tges fina r thaes lIunkgnowaret h iasttrciabnu toanblyle beto dtoanee awchteiioen thoef ds iulsitc ae.xposSuore tihs e toc lapsusr^e Fsici lailc aty poer . wheFreor thael l reoathoetiro npulimn otnhaery ludnisge ai sse odfue ttho e dnuasmt ethoef wthoerddpunset uomrocoocnciuopsaistiosnhobuyld cbr e inuswedh,ichprethceededdisebayse oiasrnelycaautlossoetdhd.oespeoTschieatssteesorfmocf o"caallnatsihnsriecth:aoel- slsiuilnliicgcosossi(sfi s"o risnhexowaumlhdipclhbee,thraoepcrpeklied wo rodriknearrsy incocaol awl omrkineerss)' bpnuet usmhoocuoldnionsoist bine wa phpiclhiedth etore thies no evidence th at s ilic a is responsible for the fib ro sis. *s g en eral termC l"aprniteyumi os cognaiionseids" bfyour sithneg ppurelmfioxneasry tocotnhdeitio n s attrib utable to specific dusts. Pneumoconiosis Without R adiological Change dem onstratedIn cSasoeusth oWf asleevsePreroffoecssaol remGpohuygshemhaas ino csciamspiolen a lly cl iofael bpnuet uwmhoiccohniwoassisuwn ahsicsho cmiautsetd hwaviethbeaenny draisdaioblloinggicda ul ring taobmnoorrrmowalitthya. t thDer. imHpuagihrm-Joennet sowf ivlle nsthiolwa toinry hfius npcatipoenr in .1 tcoo atlhem isneevrse rwitiythosfimthpelerapdnieougmraopcohnicioscihsanisgens oat ndc lothsaetly coreella te d 1 mavienreargs ew, ittohohuatveanyimrpaadirioedlo vg eicnatlilaatbonroyrmcaalpitayc iatyppwehaern, coonmtphaered wsoimthe ncoanse-ms,inaesrssoocfiatthe de wsaimthe aagtee.ndenTchyistoimbpraoirnmcehniat l i ssp, asimn . woWfehecmtahinnenreortsth yiasnedt dosiasfyam.beinlFitfuyrortmhisevr aasrtttioruiudbsiuetsoatbholfeermtduocuhsdtyluasratgndienrhnsoaanlma-tdpiuolesnsty occupations w ill be required to establish its significance. we may a t pBreuste nthte speayptroeolimmiuncahrya tfteinndtiion ng s todothseugrgaedstio ltoh ga tic a l ) pponiccectuuumpraeotciooinnnsiodsieifcs.idwien gwI tetrhmeeitgoqhutcebosemtiopfenanisroaefter cotroemsppweionrrsakatetoirorsynindinidssuaisbmtiyplilety regardless of the radiological picture whenever this dis aa pbpilriotpyrifaatel l sagwe ealnldoiustsindoet tchlee arralnygea ttorfibtuhtea bnloermtaol oa tthtehre non- fofuucnnccucttpii^ootnniotnienasltpsrn,ewesuhpmiicor ancotonmrioiygshidst isteoenaasboeele. dtihsetIimnpgparuotitvseehrmneednotffsroiimmn ptraheiasrept diroafto ry deme cphisyisoemn .a and chronic br n on c h i t i s ^ w o u l d ^neatly help in th is