Title: Rare Earth Pneumoconiosis: a New Case
Authors: SABBIONI EnricoPIETRA RomanoSULOTTO F.ROMANO C.BERRA A.BOTTA G.c.RUBINO G.f.
Citation: American Journal of Industrial Medicine vol. 9 p. 567-575
Publication Year: 1986
JRC N°: JRC4180
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC4180
Type: Articles in Journals
Abstract: A NEW CASE OF RARE EARTH (RE) PNEUMOCONIOSIS IS DESCRIBED. THE SUB- JECT HAD WORKED AS A PHOTOENGRAVER FOR 13 YEARS AND HAD NOT BEEN EX- POSED FOR 17 YEARS. CHEST X RAY SHOWED A DIFFUSE NODULAR PATTERN (Q 2/3 - ILO/1980). THE PATIENT WAS ASYMPTOMATIC DESPITE A RESTRICTI- VE SPIROMETRIC IMPAIRMENT. THE DIAGNOSIS DERIVED FROM THE FINDING, IN THE BRONCHOALVEOLAR LAVAGE FLUID, OF AN ABNORMAL LEVEL OF LA, CE, ND, SM, TB, YB, LU. THE PRESENCE OF THESE ELEMENTS WAS DEMONSTRATED WITH TWO METHODS: THE NEUTRON ACTIVATION ANALYSIS AND (AS REGARDS CE ALO- NE) THE X RAY ENERGY SPECTROMETRY OF MINERAL PARTICLES OBSERVED WITH ELECTRON MICROSCOPE. ABNORMAL LEVELS OF RARE EARTHS WERE DEMONSTRATED ALSO IN THE NAILS, SUGGESTING AN ABSORPTION OF THE RE FROM THE LUNG.
JRC Institute:Joint Research Centre Historical Collection

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