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silicotuberculosis
Risk of tuberculosis is increased 4-6 times with silicosis.
Pathology:
1) Mycobacterium infecting patients with silicosis
a) Mycobacterium tuberculosis
b) Mycobacterium kansasii
c) Mycobacterium avium complex
2) tuberculosis increases mortality in patients with silicosis [3]
Radiology:
- chest X-ray
- difficult to distinguish tuberculosis from silicosis- induced changes
Management:
1) relapse rate of tuberculosis is high
2) antituberculous therapy may need extended period
Specific
Caplan's syndrome
General
silicosis
tuberculosis
References
- Mayo Internal Medicine Board Review, 1998-99, Prakash UBS (ed)
Lippincott-Raven, Philadelphia, 1998, pg 758
- Medical Knowledge Self Assessment Program (MKSAP) 16,
American College of Physicians, Philadelphia 2012
- Nasrullah M, Mazurek JM, Wood JM, Bang KM, Kreiss K.
Silicosis mortality with respiratory tuberculosis in the
United States, 1968-2006.
Am J Epidemiol. 2011 Oct 1;174(7):839-48.
PMID: 21828370