Caplans syndrome historical perspective: Difference between revisions
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==Overview== | ==Overview== | ||
In 1953, the [[chest x ray]] findings of [[multiple pulmonary nodules]], in the [[coal miners]] with [[Rheumatoid Arthritis]](RA) of Welsh, was described by Caplan. In 13 coal miners with RA, along with the small silicotic [[nodules]], well defined, larger lung nodules were found. Caplan identified that miners with [[Pulmonary|pulmonary]] [[nodules]] on chest x ray eventually developed [[arthritis]] though they | In 1953, the [[chest x ray]] findings of [[multiple pulmonary nodules]], in the [[coal miners]] with [[Rheumatoid Arthritis]](RA) of Welsh, was described by Caplan. In 13 coal miners with RA, along with the small silicotic [[nodules]], well-defined, larger lung nodules were found. Caplan identified that miners with [[Pulmonary|pulmonary]] [[nodules]] on chest x-ray eventually developed [[arthritis]] though they have not diagnosed cases of RA. Though Caplan's initial idea was of [[infectious]] etiology, two years later several cases of ' [[rheumatoid pneumoconiosis]]' with [[tuberculosis]] were reported. But the theory of [[rheumatoid pneumoconiosis]] and [[tuberculous pneumoconiosis]] got rejected by time. Caplan's [[syndrome]] concept was expanded to cover the exposure to all [[inorganic]] dust from different sources. | ||
In 1940 and 1950, rheumatoid [[nodules]] were identified by several authors in autopsy studies of different organs as [[heart]] and [[lungs]]. But relation to [[silica]] exposure was not discussed. Years later after Caplan's publication, multiple cases with [[pulmonary]] [[nodules]] in miners with RA were reported. But 20 cases with lung nodules were reported without any dust exposure. | In 1940 and 1950, rheumatoid [[nodules]] were identified by several authors in autopsy studies of different organs as [[heart]] and [[lungs]]. But the relation to [[silica]] exposure was not discussed. Years later after Caplan's publication, multiple cases with [[pulmonary]] [[nodules]] in miners with RA were reported. But 20 cases with lung nodules were reported without any dust exposure. | ||
==Historical Perspective== | ==Historical Perspective== | ||
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* An [[epidemiological]] study was conducted by Miall and associates in 1955 to determine the validity of [[Caplan syndrome]]. | * An [[epidemiological]] study was conducted by Miall and associates in 1955 to determine the validity of [[Caplan syndrome]]. | ||
* In 1958, J. Gough described the [[histological]] criterias to [[diagnose]] [[Caplan syndrome]].<ref name="SchreiberKoschel2010">{{cite journal|last1=Schreiber|first1=J.|last2=Koschel|first2=D.|last3=Kekow|first3=J.|last4=Waldburg|first4=N.|last5=Goette|first5=A.|last6=Merget|first6=R.|title=Rheumatoid pneumoconiosis (Caplan's syndrome)|journal=European Journal of Internal Medicine|volume=21|issue=3|year=2010|pages=168–172|issn=09536205|doi=10.1016/j.ejim.2010.02.004}}</ref> <ref name="GoughRivers1955">{{cite journal|last1=Gough|first1=J.|last2=Rivers|first2=D.|last3=Seal|first3=R. M. E.|title=Pathological Studies of Modified Pneumoconiosis in Coal-miners with Rheumatoid Arthritis (Caplan's Syndrome)|journal=Thorax|volume=10|issue=1|year=1955|pages=9–18|issn=0040-6376|doi=10.1136/thx.10.1.9}}</ref> <ref>{{cite journal|doi=10.1164/artpd.1958.78.2.274?journalCode=artpd}}</ref> | * In 1958, J. Gough described the [[histological]] criterias to [[diagnose]] [[Caplan syndrome]].<ref name="SchreiberKoschel2010">{{cite journal|last1=Schreiber|first1=J.|last2=Koschel|first2=D.|last3=Kekow|first3=J.|last4=Waldburg|first4=N.|last5=Goette|first5=A.|last6=Merget|first6=R.|title=Rheumatoid pneumoconiosis (Caplan's syndrome)|journal=European Journal of Internal Medicine|volume=21|issue=3|year=2010|pages=168–172|issn=09536205|doi=10.1016/j.ejim.2010.02.004}}</ref> <ref name="GoughRivers1955">{{cite journal|last1=Gough|first1=J.|last2=Rivers|first2=D.|last3=Seal|first3=R. M. E.|title=Pathological Studies of Modified Pneumoconiosis in Coal-miners with Rheumatoid Arthritis (Caplan's Syndrome)|journal=Thorax|volume=10|issue=1|year=1955|pages=9–18|issn=0040-6376|doi=10.1136/thx.10.1.9}}</ref> <ref>{{cite journal|doi=10.1164/artpd.1958.78.2.274?journalCode=artpd}}</ref> | ||
===Landmark Events in the Development of Treatment Strategies=== | ===Landmark Events in the Development of Treatment Strategies=== | ||
Revision as of 01:51, 21 June 2021
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
In 1953, the chest x ray findings of multiple pulmonary nodules, in the coal miners with Rheumatoid Arthritis(RA) of Welsh, was described by Caplan. In 13 coal miners with RA, along with the small silicotic nodules, well-defined, larger lung nodules were found. Caplan identified that miners with pulmonary nodules on chest x-ray eventually developed arthritis though they have not diagnosed cases of RA. Though Caplan's initial idea was of infectious etiology, two years later several cases of ' rheumatoid pneumoconiosis' with tuberculosis were reported. But the theory of rheumatoid pneumoconiosis and tuberculous pneumoconiosis got rejected by time. Caplan's syndrome concept was expanded to cover the exposure to all inorganic dust from different sources. In 1940 and 1950, rheumatoid nodules were identified by several authors in autopsy studies of different organs as heart and lungs. But the relation to silica exposure was not discussed. Years later after Caplan's publication, multiple cases with pulmonary nodules in miners with RA were reported. But 20 cases with lung nodules were reported without any dust exposure.
Historical Perspective
Discovery
- Caplan Syndrome was first discovered by Dr. Anthony Caplan, a British physician, in 1953.
- In 1955, theory of tuberculous rheumatism and tuberculous pneumoconiosis were developed which got abandoned later.
- In 1940 and 1955, rheumatoid nodules were described in autopsy study of heart and lungs.
- In 1948, Ellman and Ball reported the pulmonary nodules found in coal miners were prevalent only in men with dust exposures and not related to ordinary silicosis or rheumatoid arthritis.
- An epidemiological study was conducted by Miall and associates in 1955 to determine the validity of Caplan syndrome.
- In 1958, J. Gough described the histological criterias to diagnose Caplan syndrome.[1] [2] [3]
Landmark Events in the Development of Treatment Strategies
- Caplan's syndrome was originally described in coal miners with progressive massive fibrosis by Caplan in 1953.[2]
- In 1955, the first epidemiological study was conducted to validate the criteria of Caplan syndrome.
- J. Gough reported the histological diagnostic findings for Caplan Syndrome in 1958.
References
- ↑ Schreiber, J.; Koschel, D.; Kekow, J.; Waldburg, N.; Goette, A.; Merget, R. (2010). "Rheumatoid pneumoconiosis (Caplan's syndrome)". European Journal of Internal Medicine. 21 (3): 168–172. doi:10.1016/j.ejim.2010.02.004. ISSN 0953-6205.
- ↑ 2.0 2.1 Gough, J.; Rivers, D.; Seal, R. M. E. (1955). "Pathological Studies of Modified Pneumoconiosis in Coal-miners with Rheumatoid Arthritis (Caplan's Syndrome)". Thorax. 10 (1): 9–18. doi:10.1136/thx.10.1.9. ISSN 0040-6376.
- ↑ . doi:10.1164/artpd.1958.78.2.274?journalCode=artpd. Missing or empty
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