DIAGNOSTIC VALUE OF CHEST X-RAY COMPARED TO CT SCAN IN PNEUMOCONIOSIS

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MANSOURIAN H.R.

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Journal: Journal of Shahid Sadoughi University of Medical Sciences Year:2002 | Volume:9 | Issue:4 (Special Issue) Page(s): 30-35

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Title

DIAGNOSTIC VALUE OF CHEST X-RAY COMPARED TO CT SCAN IN PNEUMOCONIOSIS

Author(s)

MANSOURIAN H.R. | Issue Writer Certificate

Keywords

PNEUMOCONIOSISQ3

CHEST X-RAYQ3

CT SCANQ4

Abstract

PNEUMOCONIOSIS is a chronic and irreversible lung disease. Inhalation" inorganic dust particles over a long period of time is the cause of this disease. Dust particles < 5 Micron enter the alveolar sac and are removed from the sac by macro phages . Irritation of the interestitiallung tissue leads to fibrosis. In this study, 735 workers (all male) employed at Siman Sepahan were asked to Fill out a questionnaire and underwent CHEST X-RAYs (Antero - posterior & lateral views) of which 110 of them were dditionally C.T scanned. 70% of the X-rays were normal. while 30% had abnormal findings. Abnormal CHEST X-RAY and spirometry findings had a direct relationship with age. and therefore about half of the workers in the 45-54 age group had symptoms of the disease. and 41.6% had an abnormal CHEST X-RAY. On comparison of chest X - Ray findings and CT SCAN findings, in patients with abnormal spirometry findings, it was realized that the positive predictive value of chest X- Rays in relation to CT SCAN was 100% while the negative predictive value was 7.4% . Therefore. a positive CHEST X-RAY finding has a more diagnostic value than a negative one. In other terms. a negative CHEST X-RAY finding does not rule out PNEUMOCONIOSIS. It is therefore suggested that suspected cases of pnuemoconiosis should" undergo a CT SCAN irrespective of the CHEST X-RAY findings.

Cites

A STUDY ON THE RATE, TYPE AND CLINICAL FEATURES OF UROLITHIASIS IN CHILDREN YOUNGER THAN 15 YEARS WITH SYMPTOMATIC URINARY TRACT INFECTION

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APA: Copy

MANSOURIAN, H.R.. (2002). DIAGNOSTIC VALUE OF CHEST X-RAY COMPARED TO CT SCAN IN PNEUMOCONIOSIS . JOURNAL OF SHAHID SADOUGHI UNIVERSITY OF MEDICAL SCIENCES, 9(4 (Special Issue)), 30-35. SID. https://sid.ir/paper/367938/en

Vancouver: Copy

MANSOURIAN H.R.. DIAGNOSTIC VALUE OF CHEST X-RAY COMPARED TO CT SCAN IN PNEUMOCONIOSIS . JOURNAL OF SHAHID SADOUGHI UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2002;9(4 (Special Issue)):30-35. Available from: https://sid.ir/paper/367938/en

IEEE: Copy

H.R. MANSOURIAN, “DIAGNOSTIC VALUE OF CHEST X-RAY COMPARED TO CT SCAN IN PNEUMOCONIOSIS ,” JOURNAL OF SHAHID SADOUGHI UNIVERSITY OF MEDICAL SCIENCES, vol. 9, no. 4 (Special Issue), pp. 30–35, 2002, [Online]. Available: https://sid.ir/paper/367938/en

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