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Practica oto-rhino-laryngologica | 2002

A Case of Olfactory Neuroblastoma

Makoto Ishida; Tetsuaki Kubota; Kazuo Matsui; Kazumasa Ohashi; Masaki Iida; Dai Nagase; Hajime Hanaoka; Hideki Takemura

A case of olfactory neuroblastoma is reported. A 74-year-old man visited our hospital exhibiting left nasal obstruction and bleeding in May 1997. An examination revealed a large tumor in his left nasal cavity; its surface was smooth and it bled easily. The patient did not have any visual acuity difficulties and the cervical lymph nodes were not swollen. A CT scan revealed a large tumor in his left nasal cavity and maxillary sinus which did not extend into the cranial space or eye socket. There were no bone defects. The patient underwent surgery for an olfactory neuroblastoma in June 1997. Based on the pathological findings, we made a diagnosis of olfactory neuroblastoma. The patient was treated with radiation therapy after surgical therapy. 45 Gy radiation therapy was added. The patient was followed up for 1 year and 6 months. In January 1999, there was local tumor reccurence and the tumor invaded his brain. Unfortunately, he died soon after from this local recurrence of his brain tumor in June 1999.


Practica oto-rhino-laryngologica | 2002

A Case of Unknown Primary Tumor Suspected as Branchiogenic Carcinoma

Sei Kobayashi; Hajime Hanaoka; Dai Nagase; Yoshiyuki Kadokura; Kazuo Matsui; Tetsuaki Kubota


Journal of The Showa University Society | 2003

HISTOPATHOLOGICAL STUDY OF TRANSPLANTED NASAL MUCOSA IN CASES OF OPERATIVE EAR WITH ADHESIVE OTITIS MEDIA

Dai Nagase; Kazuo Matsui; Hideki Takemura; Tetuaki Kubota


Practica oto-rhino-laryngologica | 2002

Five Cases of Dermatophytosis of the External Auditory Meatus

Satoshi Naitoh; Kazuo Matsui; Yoshiyuki Kadokura; Masaki Iida; Dai Nagase; Makoto Ishida; Takashi Ohtani; Tetsuaki Kubota


Practica oto-rhino-laryngologica | 2002

Repair of Tympanic Membrane Perforation Using Chitin Membrane

Yuichiro Yanagi; Kazuo Matsui; Yoshiyuki Kadokura; Hideki Takemura; Dai Nagase; Tetsuaki Kubota


Otology Japan | 1999

Histopathological study of transplanted nasal mucosa in cases of cholesteatoma with adhesive otitis media

Dai Nagase; Kazuo Matsui; Sei Kobayashi; Tetuaki Kubota; Yasuhiro Hayashi; Kumiko Katou


Practica oto-rhino-laryngologica | 2002

Two cases of double parathyroid adenomas

Dai Nagase; Tetsuaki Kubota; Kazuo Matsui; Hideki Takemura; Hajime Hanaoka; Yoshihiro Yamada; Kaori Kameyama


Practica oto-rhino-laryngologica | 2002

A Case of Radiation Necrosis of the Larynx after 20 Years

Hajime Hanaoka; Tetsuaki Kubota; Kazuo Matsui; Kazumasa Ohashi; Yoshiyuki Kadokura; Dai Nagase; Makoto Ishida; Satoshi Naitoh; Masahiro Katsuno


Practica oto-rhino-laryngologica | 2002

Two Cases of Tumor in the Front Neck

Hajime Hanaoka; Tetsuaki Kubota; Kazuo Matsui; Kazumasa Ohasi; Tatsuya Nishimura; Yoshiyuki Kadokura; Dai Nagase; Makoto Ishida; Satoshi Naitoh; Masahiro Katsuno


Practica oto-rhino-laryngologica | 2002

Forty Four Cases of the Hearing Loss by Head Trauma

Masaki Iida; Kazuo Matsui; Dai Nagase; Hajime Hanaoka; Yoshihiro Yamada; Tetsuaki Kubota

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