Document DpNxmQBZv39LkRQ9gXv9JXqO

FILE NAME: Asbestos Cement Pipe and Sheet (ACPS) DATE: 1965 Feb 22 DOC#: ACPS066 DOCUMENT DESCRIPTION: Memo - Commentary on Mesothelioma Journal Article * ;JTX/Xr ! ' Tat 033/M / / 22ad N b n iiijr, 194), I D iffu s ^aaethallona of tha Maura aad A rtirtn . ritlsh *11-- 1 Journal /2/6L TkU a rtla lo m m fro a tha awdlaal f i r t n t i f tha Qn m tfa lra rs ltr f D alfaat ndar th iu m i a f Dr. F.C. D m (Phjrslalaa), Frafaasor O.L. Wada (Phyaiaian) ad Dr. K.T.Z. HoCaagboy (Fathologlat) . Tha p rla tip a l pointa af th la papar hara alraady boan aada la Icadsa la Fabruarx 1941f and *ow Tarie a i tha Asbaataals Canfaranaa la Oatabar 1944. Tha ldsa of naldng tha et4r nos touehad ff 67 Da G Ifcgaar of tha Ftaeuaoeeoleela Jisaoarah D alt la South Afrlaa Mha anaouragad m o f tha Authora (Dr. BaCaugboy) ta atudy tha y o a lB a ral* ilen ta aabaatoa axposurt af a croup o f ahaart itaaaara hlah ha feaA rapottod 1 tba fa th d x g le a l Journal.^la 1954. Tfaaaa t waoura ara i anaad aaaathalleaata aad thajr ara lookad 00 as 0017 rara. Tha aanalnaloas a f tha authora ara ( l m la th a lr a a a iq r aa ara qaatad barasndar* "A h la to rr af saaapatlm al axpoaura ta asbastas aa aM alaa lu 32 oui o f 42 potionta lth aaothallaaa af tha plaura la B alfaai. In 42 aatahad aontrol p atlaata of tha aaaa * | aaA aox a h isto rp of sxpoasra uaa abtalnod 1b anljr alaa. Aabaatoa badlas ara fo n d a i at rapar la tha ln ^ a a f 14* \ 2791 of a n agod JD te 49 djdag raaantly af dlaaaaaa th sr thaa aaralBena a f tha bronahus aad aasathallsan af tha plaura* Aabaatoa bodlaa taira fouad la tha lin a s a f abrat 2C< a f p atlaats dylng froa oaralam a a f tha luag. Thap ara fsund la aara thaa CK o f aaa djrlng af aaaatha ona af tha plaura* A h la to ir a f *a la d a strla l aaaup atlsa lth onpoaara ta aabaatoa u obtalnod tram ra la tlra a , aolghboura, a r friands o f about t hraa qnartora of p atian ts la hon aabaatoa bodlaa tara fouad la tha langa a t aaar opay. Saab a hiato 17 a obtalaaA f a r aoa gu artor of p atlaata la when aabaatoa badlaa ara a a t faoad la th a langa a t naarapagr. Xt la aoneludad th s t thara la aild anaa th a t aaepoaara ta aabaatoa, aran theugh l t nar bara baon tran aian t and mujy 7ara prorious, la an Important faeto r la tha a a tlo lgf af nsaothallona a f tha plounu Thla aenclwalan g lrsa aauaa fa r aax tatf baaaaaa Of tha U in u D g aonoaralal maa af aabaatoa.* o- .r . 'l' ' ~r /C a a t'd ... m t I I I ( I / X i' Thla a rtic i* attanpta ta (Ira tc tlitlM l T alid ity to tfac th a t th* aaaoolatloB ef tha praaaaea e t a rara tonour (noaothalloaa) dth tha inhalation e t aabaatoa duat m u more thaa fortuito*. tro e t e t th la tTP* mb -nevaiv ba more thaa auggaatlva unlaaa i t aaa W ahem th a t tha tuonar obaorrad norar oaaurrad axaapt whan aabaatoa t u t had baan Inhalad and ratalaad l a tha lung. Mo a tta a p t la aada la a rtic i ta d lffaraatlato batwaan tha Tarions termo e t aabaatoa Mklah Blcht ba aanoaraad la tha m attar. I ta n aia aonrlwalaa la th a t axposara to aabaatoa la aa Important fa a to r la tha atlelogy e t anaothallena of tha plaora", and, a tll mmo ath ar oaplanatlaa la fo rti caing of tha data whlsh la qaatod, Z tiri n i th la *" - indi raapaat zr. un. 1. KcCaughey, W.T.E. (1958) J. P*th. B aet,, 76, 517. i (. J i i \J -- r !