Tas Esra, Pletscher Martin, Bircher Andreas J
Dept. of Dermatology, University Hospital, Basel, Switzerland.
J Investig Allergol Clin Immunol. 2002;12(2):130-3.
A patient had suffered twice from an acute urticaria after treatment with two different dental root canal compounds (RCC). Skin prick tests with the single components and formaldehyde 1%aq. were positive to formaldehyde 1%aq., but irritant with formaldehydeRCC. Specific IgE to formaldehyde were positive. Patch tests were positive to formaldehydeRCC only. In the literature 28 patients with immediate symptoms to formaldehyde containing RCC have been described.
一名患者在使用两种不同的牙根管填充剂（RCC）治疗后两次出现急性荨麻疹。对单一成分和1%甲醛水溶液进行皮肤点刺试验，结果显示对1%甲醛水溶液呈阳性，但对含甲醛的RCC呈刺激性。针对甲醛的特异性IgE呈阳性。斑贴试验仅对含甲醛的RCC呈阳性。文献中已描述了28例对含甲醛RCC有即刻症状的患者。
