Document Detail


Talc: understanding its manifestations in the chest.
MedLine Citation:
PMID:  3484579     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Four distinct forms of pulmonary disease caused by talc have been defined. The first form, talcosilicosis, is caused by talc mined with high-silica-content mineral. Findings in this form are identical with those of silicosis. Talcoasbestosis closely resembles asbestosis and is produced by crystalline talc, generally inhaled with asbestos fibers. Pathologic and radiographic abnormalities are virtually identical with those of asbestosis, including calcifications and malignant tumor formation. The third form, talcosis, caused by inhalation of pure talc, may include acute or chronic bronchitis as well as interstitial inflammation; radiographically, it appears as interstitial reticulations or small, irregular nodules, typical of small-airway obstruction. The fourth form, due to intravenous administration of talc, is usually associated with abuse of oral medications and production of vascular granulomas manifested by consolidations, large nodules, and masses. Radiographic abnormalities associated with talc can be predicted when there is sufficient history of the nature of exposure, including the region of origin of the talc in cases of inhalation. Radiographic changes, such as diaphragmatic plaques, often attributed to both talc and asbestos have not been documented to be caused by talc alone. The author provides review of 18 well-documented cases.
Authors:
D S Feigin
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  AJR. American journal of roentgenology     Volume:  146     ISSN:  0361-803X     ISO Abbreviation:  AJR Am J Roentgenol     Publication Date:  1986 Feb 
Date Detail:
Created Date:  1986-02-20     Completed Date:  1986-02-20     Revised Date:  2008-02-15    
Medline Journal Info:
Nlm Unique ID:  7708173     Medline TA:  AJR Am J Roentgenol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  295-301     Citation Subset:  AIM; IM    
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MeSH Terms
Descriptor/Qualifier:
Adult
Female
Granuloma / etiology
Humans
Lung Diseases / etiology*
Male
Pneumoconiosis / etiology
Substance-Related Disorders / complications
Talc / adverse effects*
Chemical
Reg. No./Substance:
14807-96-6/Talc

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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