English Digest

　A Review of My Study on Paranasal Sinusitis with Recent: Opinions.

　The author has reviewed his own work on Chronic Paranasal Sinusitis extending over the period of approximately 20 years. Touching upon essentiah points of his past researches, he has given a clear presentation of the line of thought which motivated them and the trend of reasoning for the conclusion he had drawn in the recent years.

　He has added some improvements upon existing methods of operation on the maxillary sinus, and, thereby facilitated a better means of approach and accessibility to the ethmoidal cells. In his opinion the ethmoids were not given a due consideration up to this time.