70%以上桦树花粉过敏患者同时存在对某些植物源性食物过敏,即所谓的花粉相关的食物过敏 (pollenrelatedfoodallergy)。我们报道 1例典型的桦树花粉过敏,随后发展成为对一些植物性食物过敏,并产生显著的临床症状,籍此阐明桦树花粉相关的食物过敏的临床和免疫学特征。对象14 More than 70% of birch pollen allergy sufferers are allergic to certain plant-derived foods, the so-called pollen-related food allergies. We report a case of typical birch pollen allergy that subsequently develops into an allergy to some plant foods and produces significant clinical symptoms, thereby clarifying the clinical and immunological characteristics of birch pollen-related food allergies. Object 14