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