Occupational asthma in a crusher of almond shells (new cause)

Agent	Almond shells (Prunus dulcis)
Job	Sheller of hulled almonds
Specific IgE	None by SDS page 11-14 kDa
Lymphocyte proliferation	not tested
Skin prick test	negative to almonds and almond shell extract 1:10
Patch test	not done
Non-specific reactivity	methacholine 180ug/ml pre challenge
Serial Peak Flow	not done
Induced sputum	not done
Specific Challenge	immediate reaction to almond shell dust at 5mg/m3 immediate reaction lasting >24 hours
Follow-up	not stated

References

	Foti C, Nettis E, Cassano N, Damiani E, Carino M, Vena GA, Non-allergic occupational asthma because of almond shell dust , Allergy, 28;63:1087-1088,

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