Table I.

Results of skin prick test and prick-to-prick test

Type of mushroom	Wheal diameter (mm)
	Raw form	Cooked form
Standard mushroom solution (1:10 wt/vol)	3
Oyster mushroom (Pleurotus ostreatus)	8.5	8.5
King oyster mushroom (Pleurotus eryngii)	2	2.5
Straw mushroom (Volvariella volvacea)	0	0
Shiitake mushroom (Lentinula edodes)	3	3
Enokitake (Flammulina velutipes)	3	4
Jelly ear mushroom (Auricularia cornea)	2.5	3

Histamine (10 mg/mL) and glycerinate phenol-saline were used as positive and negative controls, respectively. The largest wheal of each allergen was measured. A positive response was considered wheal size at least 3 mm larger than the negative control.