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Featured researches published by Yoshihiro Naito.


Practica oto-rhino-laryngologica | 1993

A Case of Pemphigus Vulgaris Associated with an Abnormal Sensation on the Laryngopharynx

Yoshihiro Naito; Kaori Shirakami; Katsuro Furukawa; Tetsuya Ogino; Humio Nakagawa; Takuya Ohmichi; Shuichi Watanabe; Yu Masuda

A 59-year-old man complained of an abnormal sensation in the laryngopharynx. The patient had received an early-stage gastrectomy on February 6, 1989. The present illness, consisting of an abnormal sensation in the laryngopharynx, mild pain on swallowing, and dysphagia, began around July 1990. Because of these symptoms, the patient visited our clinic on October 22, 1990, and was diagnosed by esophageal endoscopy as having a geographical erosion and ulcer in a region beginning approximately 35 cmfrom the incisor teeth and continuing to the inlet to the esophagus. Biopsy was performed and a diagnosis of pemphigus vulgaris was made. The patient is being treated at the outpatient service with 5 mg predonine, and the clinical course is being monitored. We conclude that patients who present with intractable stomatitis or an abnormal sensation in the laryngopharynx should receive endoscopy for early histological diagnosis and treatment.


Practica oto-rhino-laryngologica | 1990

Human papillomavirus in laryngeal papilloma detected by dot blot hybridization (Vira Pap) and southern blot hybridization.

Shuichi Watanabe; Yoshihiro Naito; Takashi Kawakami; Yu Masuda; Hajime Ogura; Yoshiro Yabe

We demonstrated the presence of human papillomavirus (HPV) in 3 of 4 patients with laryngeal papillomas by dot blot hybridization (Vira PapTM) and Southern blot hybridization.1. The HPV was type 6 in 2 patients and type 11 in 1 patient.2. The results of this simple detection test (Vira PapTM kit) for dot blot hybridization correlated well with that of Southern blot hybridization. Therefore, this method is useful as a screening test.3. Dot blot hybridization using serial dilutions of the homogenate of a HPV-positive papilloma revealed that 0.125mg wet weight of the papilloma sample was enough for HPV detection.


Practica oto-rhino-laryngologica | 1989

Clinical effect of azelastine hydrochloride in allergic rhinitis.

Manabu Maeta; Keiko Nishioka; Yoshihiro Naito

Sixty-six patients with perennial allergic rhinitis were treated with azelastine hydrochloride.Based on the global improvement, two weeks after the beginning of the treatment, “moderate improvement or better” was observed in 42% of the patients, and “slight improvement or better” in 79%, and four weeks after, “moderate improvement or better” was observed in 55% of the patients, and “slight improvement or better” in 89%. On the records of diary for allergic rhinitis, sneezing, nasal discharge and nasal obstruction were improved in all patients.These results indicate that azelastine hydrochloride is highly effective in the treatment of perennial allergic rhinitis.


耳鼻咽喉科展望 | 1988

Numerical Expression of Nasal Resistance Regardless of Reference Point

Yoshihiro Naito; Tokuji Unno


Practica oto-rhino-laryngologica | 1995

Pleomorphic Adenoma in Both Parotid Glands; A Case Report.

Katsuro Furukawa; Kaori Shirakami; Tomoko Nakashima; Yoshihiro Naito; Shuichi Watanabe; Yu Masuda


Practica oto-rhino-laryngologica | 1993

Three Cases of Malignant Melanoma of the Nasal Cavity

Kaori Shirakami; Katsuro Furukawa; Yoshihiro Naito; Tetsuya Ogino; Susumu Tominaga; Takuya Ohmichi


Practica oto-rhino-laryngologica | 1992

Vascular Architecture of the Eustachian Tube in the Rat. —A Scanning Electron Microscopic Study—

Takuya Ohmichi; Kazunori Nishizaki; Toshihiko Higashikawa; Yoshihiro Naito


Nihon Kikan Shokudoka Gakkai Kaiho | 1992

Microvascular Architecture of Plummer's Disease

Takuya Ohmichi; Shuichi Watanabe; Yu Masuda; Yoshihiro Naito


Practica oto-rhino-laryngologica | 1991

Pemphigus vegetans with facial palsy.

Chisato Saito; Shuichi Watanabe; Yoshihiro Naito; Yu Masuda


Practica oto-rhino-laryngologica | 1991

Malignant Melanoma of the Hard Palate Mucosa; A Case Report with Good Response to Laser, Chemo-, and Immuno Therapy.

Tatsuo Yamane; Keiko Nishioka; Yoshihiro Naito; Ikuo Inokuchi; Tomoaki Sugiura; Yu Masuda

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Tokuji Unno

Asahikawa Medical College

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Masaru Shirato

Asahikawa Medical College

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