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Silicosis

Reviewed 06/2019
 


BASICS

DESCRIPTION

  • Pneumoconiosis (fibrogenic or carcinogenic) caused by inhalation of crystalline silica dust in the form of quartz, cristobalite, or tridymite. Diagnosis is based on history of exposu...

DIAGNOSIS

HISTORY

  • Occupational exposure

  • Chronic simple silicosis:

    • Asymptomatic

    • May present with cough or mild dyspnea with concomitant smoking

  • Chronic complicated silicosis; accelerated silicosis:

    • Chest...

TREATMENT

GENERAL MEASURES

  • Prevention:

    • Elimination of further exposure

    • Workplace regulations

    • Respiratory protection

  • Pulmonary rehabilitation

  • Management of chronic respiratory failure

  • Corticosteroids for ac...

ONGOING CARE

FOLLOW-UP RECOMMENDATIONS

Patient Monitoring

Annual pulmonary follow-up: 
  • Treat infections aggressively.

  • Appropriate health care vaccines (influenza and pneumococcal)

  • Yearly TST

  • Consider yearly...

REFERENCES

1
Leung CC, Yu IT, Chen W. Silicosis. Lancet.  2012;379(9830):2008–2018. [View Abstract on OvidMedline]
2
Kawasaki H. A mechanistic review of silica-induced inhalation toxicity. Inhal Tox...

ADDITIONAL READING

SEE ALSO

Chronic Obstructive Pulmonary Disease and Emphysema; Cor Pulmonale; Pneumothorax; Tuberculosis 

CODES

ICD10

J62.0 Pneumoconiosis due to talc dust 
J62.8 Pneumoconiosis due to other dust containing silica 

ICD9

502 Pneumoconiosis due to other silica or silicates 

SNOMED

  • 805002 pneumoconiosis due to sil...

CLINICAL PEARLS

  • Usually benign and asymptomatic but may become chronic. Yearly follow-up is recommended.

  • Diagnosis is made using a combination of history of occupational exposure and radiographic evide...

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