Epidemiological studies on apple pollinosis / 日本農村医学会雑誌

ABSTRACT

The subjective symptoms, various blood components, radioallergosorbent test (RAST) and others were examined for the patients who developed nasal allergy each year during the time of artificial apple pollination (before artificial pollination, during the peak of pollination and one month after pollination) compared with those for a control group, and the following results were obtained.<BR>1) The symptoms, the time of their appearance and the kind of symptoms were the same as those of the apple pollinosis.<BR>2) The change in the pattern of the eosinophile count was the same as that of the subjective symptoms.<BR>3) However, only 2 of the 11 patients had a RAST score of suspicious positive, and no difference was detected between these patients and the control group.<BR>From these findings, the many cases of suspected apple pollen allergy were cosidered to have been sensitized by other pollen which have common antigenicity to apple pollen in addition to true apple pollinosis, or to be mistaken diagnosis of other pollen allerg.