This paper has been reported in the Extraordinary International Congress of Rhinology, Kyoto, on October in 1965.

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On the ground that the etiology of the most cases of acute upper respiratory infection are attributable to virus, authors carried out a series of immunologic and selogic test for a total of 55 adult cases with acute upper respiratory infection within the period of two years from January 1963 to December 1964.
Specimens which were collected from abovep atients for two dfferent occusions, one at the acute stage and the other at the convalescent stage, had been submitted for antigen-antibody reaction (antigens were influenza A, B, C, and adenovirus) and erythrocyteagulutination inhibiting test (parainfluenza type 1, 2, and 3 as antigens).
The significant elevation of the titer was observed in 9 cases, they were one case each in influenza A2, B1, and parainfluenza type 1 and 6 cases in cold agulutination.

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During postoperative course following the surgery of the chronic frontal sinusitis, the sinus patterns on X-ray films were customarily described as “solidly filled”, “reduced”, “ unchanged” or “enlarged” in size without any clear cut implication.
The author, therefore, studied the normal frontal sinus size under development and wasconvinced that the size would be reasonably well described as follows: “unchanged ” when thesize change is within±30%, “enlarged” over+30% and reduced below -30%.
With these criteria, comparative studies in size changes between the diseased and thecontrateral normal frontal sinuses were made pre and postoperatively.

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A case of 48 years old female patient who presented herself with chief complaint of hoarseness was reported. The laryngeal inspection revealed a semiglobular tumor, size of small finger tip, at left arytenoid area.
This was removed by forceps through oral approach. Pathologic finding was of typical neurinoma originated in larynx.
In Japan, laryngeal neurinoma is reportedly quite rare and only a little over 10 cases have been reported previously.
It favours female sex slightly and occurs predominantly in the arytenoid area. The prognosis appears to be good in general.

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The authors reported a case of a persistent ulcer at posterior pharyngeal wall during the previous 6 years (and treated successively by them).
Although histological, bacteriological and hematological scrutinies failed to disclose the nature of the ulcer, adrenocorticoids, mycostatins, Oradol etc. were administered under the presumptive clinical diagnosis of Candida infestation.
Finally the ulcer healed.
The report accompanies a review of the literatures.

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Recently the authors have encountered a case of severe para-nasal sinusitis, 5 cases of early stage of carcinomata and a case of juvenile carcinoma occured in para-nasal sinus yet masked by prolonged chronic otitis media.
From these experiences, the authors emphasized the lessons they learned. Those are: once the histopathological diagnosis of tumor is established, clinicians should bring the case along with full clinical informations to pathologists for thorough discussion regarding the degree of malignancy, and it is the clinicians who should decide the subsequent therapy based on these data; carcinomata can occure in yound generation; and furthermore the clinicians should make full use of histopathological informations and they should not merely be influenced by its diagnosis.

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The authors have classified the fractures of nasal septum into five types; dislocation fracture, vertical fracture, horizontal fracture, telescoping fracture and comminuted fracture.
In treatment of old fracture of nasal septum, insertions of the center board type plastic material were carried out with satisfactory cosmetic and functional results.

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