Document ZJQN1EBXn8BLMMG7kJMoRYE8d

W A... *t* - ... i.s ABSTRACT 'OF THE SB UTERATURE OF INDUSTRIAL HYGIENE SUPPLEMENTARY TO THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY VOLUME 20 JANUARY 193a--DECEMBER, 1938 PUBLISHED BY THE WILLIAMS & WILKINS COMPANY Baltimore, Md. I 4 1 i s* 184 JOU&NAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY [soL JO, no. Anaesthetized cats were given .intra number of cancers found is a very high ou tracheal insufflations of fine bismuth ear* Of these 8 cases, the site of the ?*"*** in bo&ate, bismuth subnitrat* aad lead (iaaa cases was the lower lobes, in five them ws powder* by mesas of a powder blower in serted through a bronchoscope. Fluoroseopy aad roentgenograms demonstrated that ia the dry state thM radio-opaque a squamous celled epithelioma. Three c the victims were less >" 43 yra. old; l all, work with asbestos bed begun 15-2 yrs* before. After all, ths author seem minerals were not carried into the terminal quite right ia seeing a causal relation be air spaces but remained adherent to the tween asbestosis aad lung cancer.-- walla of bronchi lined with ciliated epithe* TtUky. . lium. The process of removal could bo readily followed. The column of dost on CLZNXC*X.C0N3X9ESLaTX0NS ON TEX QCXSTIO-' the mucosal surface moved upward with a 0* tncmuL esatexn or assesto spiral motion. Neutral bismuth carbonate xvouxxs. P. Sormti ZUdtr. f. KM* was usually completely eliminated in 1 to /raeA* soi. 47, pp. J3I-J87 \19S8). 4 days, the add subnitrate was excreted A 35 year old woman who worked in at slightly mom rapidly and the lead glass had asbestos factory from 1919*1928 fell 31 0 disappeared in from 7 hrs* to 2 days. The asbestosis;in 1937 esharply defined shadow reaction of the mineral did not affect the was seen roeatgeaologicaily in the upper let rate of elimination, a result at variance lobe. This shadow was considered by th-- with those of other observers. If the par* author to be s carcinoma and ia the deeiaioi tides were suspended in fluid either saline on the cnee, a camel relation between th< or thin syrup, they were carried into the prii lines of asbestosis aad the deveiopmen terminal alveoli from which they were of carcinoma was accepted. Confirmatiot lowly excreted by the bronchial route over at autopsy of the diagnosis of lung car periods of weeks. No evidence of drainage cinoma is presented in a paper by Nordmax to lymph nodse could be discovered. The (preceding abstract).--L. T*Uky. authors suggest that inhalation of dost in the dry state might be less dangerous than if it were moist. The presence of sufficient mounts of water might permit the mineral partides to penetrate beyond the protee* tav ciliary epithelium and allow gradual ia the lungs.--L. C\ Gardner. EzmsES3rT.u. investigation or tsz Kaonno into cancxe question. 3. S. DHnorU ZUdtr. /. Knbtfortdu. 90L47, pp. 109-439 (13SS). In a very exact maansr, with regard to the pertinent literature, aad with careful con Occutitjoiran cancex or asbestos woes* ess. If. ifordmamw ZUdtr. /. nhe-. /oraeA, sot 47, ?p. 88-309 (1338)- < The anther reports on 2 cases of lung1 cancer of which he made the pathological* sideration of all factor*, the author repore on the turnon found in mica kept in the Sehnoeberg mine*. In the experiment were 48 animale of whom 28 died. Of these, 2S were given careful pathological sad ana anatomical examination. He reports like* tomical examination; the other two were wise on the clinical aspects of Honrig's seat to another Institute for examination case (see following abstract) aad on a 55 of their radioactivity. In 7 animals, yr. old man who had worked ia asbestos tumors were found; in two of them, multiple from his 38th to 43rd yean. Autopsy tumom in various organs. Since the experi- showed asbestosis aad in the left upper lobe uimals came from rumor- a markedly necrotic, comified squamous free stock, the number of turnon found is a ceiled epithelioma. The author mentions high one. Ia two eases there were true 4 additional cases of cancer with asbestosis epithelial long tumors, in two. ulcers of the in ths literature aad one must agree with mediastinum, in the other 3 eases there were V* that, ia view of ths small number tumor-like, more or less generalised changes observed aad the very few cases of asbesto* of the lymphatic system. After careful its autopeied (12 cases in Germany}, the consideration, the author blames the ra-