Onset of Nasal Symptoms Induced by the Pollen of Cryptomeria fortunei in a Japanese Patient with Cedar Pollinosis: A Clinical Pilot Study

Abstract

RATIONALE: Japanese cedar pollinosis, caused by the pollen of Cryptomeria japonica (Cj), has a long history of being recognized as an allergic disease that uniquely exists in Japan. However, we have reported that some Chinese patients with allergic rhinitis showed a positive skin reaction to the Cj pollen allergen. This leads to an interest question that whether the Japanese patients with cedar pollinosis show sensitization to the pollen of Cryptomeria fortunei (Cf), which mainly distributes in China.