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- Title
Allergic contact dermatitis in shiitake (<em>Lentinus edodes</em> (Berk) Sing) growers.
- Authors
Ueda, Atsushi; Obama, Kosomi; Ueda, Tadako; Xu, Bao-Hui; Li, Qing; Huang, Jun; Kitano, Takao; Inaoka, Tsukasa
- Abstract
A 42-year-old female shiitake grower was investigated to clarify the etiology of skin lesions which developed during the planting of shiitake hyphae into bed logs. She complained of repeated eczematous skin lesions during the planting season, from March to July, for 10 years. She handled 7,000 pieces of small conic blocks made of beech, with shiitake hyphae attached to their surface, per day, and 300,000 pieces altogether per season. She was positive on patch testing with extracts of shiitake hyphae. In contrast, female shiitake growers with skin lesions associated with work other than planting, and without skin lesions, were negative on patch testing to the hyphae. Moderate allergenicity was observed to extracts of shiitake hyphae in a guinea pig maximization test. These findings indicated the etiology of skin lesions in shiitake growers to be allergic contact dermatitis induced by shiitake hyphae.
- Subjects
CONTACT dermatitis; ALLERGIES; SHIITAKE; ECZEMA; SKIN tests; SKIN diseases; PLANTING
- Publication
Contact Dermatitis (01051873), 1992, Vol 26, Issue 4, p228
- ISSN
0105-1873
- Publication type
Article
- DOI
10.1111/j.1600-0536.1992.tb00234.x