Immediate hypersensitivity type of occupational laryngitis in a welder exposed to welding fumes of stainless steel
✍ Scribed by Timo Hannu; Ritva Piipari; Elina Toskala
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 70 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0271-3586
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✦ Synopsis
Background:
Although upper respiratory symptoms have been reported to occur in welders, occupational laryngitis of immediate hypersensitivity type due to welding fumes of stainless steel has not been previously reported.
Methods:
Occupational laryngitis was diagnosed based on the specific challenge test combined with the patient's history of occupational exposure and laryngeal symptoms.
Results:
During the past few years, a 50-year-old man had started to experience laryngeal symptoms while welding stainless steel. the welding challenge test with stainless steel caused significant changes in the laryngeal status 30 min after challenge: increased erythema, edema, and hoarseness of the voice. the referent inhalation challenge test by welding mild steel was negative.
Conclusion:
The welding of stainless steel should be included in the etiological factors of occupational laryngitis of immediate hypersensitivity type.