Positive challenge to linseed oilcake in chemist

Positive challenge to linseed oilcake in chemist
Agent Linseed oilcake (Linum usitatissimum)
Job research chemist in biopolymer plant
Specific IgE strong positive  linseed 100 iu/ml with immunoCAP
Skin prick test positive 1mg/ml
Non-specific reactivity Histamine 14mg/ml post lactose challenge (normal) and 1.35 mg/ml post linseed
Serial Peak Flow not done
 Induced sputum Eosinophils 1% pre and 19% post alinseed challenge
Specific Challenge 

Dual asthmatic reaction to linseed 1:1000 tipped for 25 minutes with negative lactose control

Follow-up

no record

References

Abstract Available for Occupational asthma caused by linseed oilcake Vandenplas O, D'Alpaos V, César M, Collet S, Tafforeau M, Thimpont J, Occupational asthma caused by linseed oilcake, Allergy, 2008;63:1250-1251,
Olivier Vandenplas, Universite Mont-Goginne, Yvoir, an author of 'Occupational asthma caused by linseed oilcake'

No Abstract Available for Occupational asthma in the fat bodies industry Charpin J, Zafiropoulo A, Luccioni R, Occupational asthma in the fat bodies industry, Pneumon Coer, 1966;22:513-521,

No Abstract Available for Occupational respiratory allergy to oleaginous seeds Tabart J, Occupational respiratory allergy to oleaginous seeds, Poumon Coeur, 1966;22:523-527,

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