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Application of ILO classification to a population without industrial exposure: findings to be differentiated from pneumoconiosis

Journal Article · · AJR, Am. J. Roentgenol.; (United States)
DOI:https://doi.org/10.2214/ajr.142.1.53· OSTI ID:5176255
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The International Labour Office (ILO) classification for radiographs of pneumoconiosis is a standard means of assessing the presence or absence of pneumoconiosis in workers exposed to mineral dusts. Using this classification, 200 admission chest radiographs were reviewed on hospitalized patients in an urban university medical center to determine the prevalence and possible significance of ''small opacities'' in a population without known industrial exposure. Seventy-one men and 129 women were screened with the mean age of 44.2 years (range, 15-84). Thirty-six (18%) of the 200 patients had small opacities at profusion level 1/0 or greater, and this constituted the ''positive radiographs'' group. Twenty-two patients (11%) with positive radiographs had no documentable dust exposure or other specific medical etiology that would explain the presence of their lung opacities. The high prevalence of small opacities in ''normal'' older individuals has important implications in the assessment of patients with suspected pneumoconiosis.
Research Organization:
Univ. of Pennsylvania, Philadelphia
OSTI ID:
5176255
Journal Information:
AJR, Am. J. Roentgenol.; (United States), Journal Name: AJR, Am. J. Roentgenol.; (United States) Vol. 142:1; ISSN AAJRD
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
016000 -- Coal
Lignite
& Peat-- Health & Safety
550602* -- Medicine-- External Radiation in Diagnostics-- (1980-)
560306 -- Chemicals Metabolism & Toxicology-- Man-- (-1987)
62 RADIOLOGY AND NUCLEAR MEDICINE
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOMEDICAL RADIOGRAPHY
BODY
COAL MINERS
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASES
DUSTS
HUMAN POPULATIONS
LUNGS
MEDICINE
MINERS
NUCLEAR MEDICINE
ORGANS
PERSONNEL
PNEUMOCONIOSES
POPULATIONS
RADIOLOGY
RESPIRATORY SYSTEM
RESPIRATORY SYSTEM DISEASES