Schwannoma of the external auditory canal; a case report

Katsuhiko Komori; Shigenobu Iwata; Akihiko Takasu; Kensei Naito; Shigeki Mori; Yoshihiro Iwata

doi:10.5631/jibirin.90.777

Schwannoma of the external auditory canal; a case report

Katsuhiko Komori, Shigenobu Iwata, Akihiko Takasu, Kensei Naito, Shigeki Mori, Yoshihiro Iwata

Otolaryngology

Research output: Contribution to journal › Article › peer-review

Abstract

Schwannoma originating from the external auditory canal (EAC) is reportedly very rare. Only seven cases have been documented in the literature. A 57-year-old male visited us with a one-month history of hearing loss of the left ear. The EAC was occupied by a smooth-surfaced spherical tumor. On October 5, 1994, the tumor was excised under general anesthesia through an incision in the posterior auricular sulcus. This excised tumor was smooth and soid, and was 15 mm × 10 mm × 10 mm in size. The histopathological diagnosis was Antoni A and B mixed schwannoma. The tumor has not recurred during the two years since the operation.

Original language	English
Pages (from-to)	777-780
Number of pages	4
Journal	Practica Otologica
Volume	90
Issue number	7
DOIs	https://doi.org/10.5631/jibirin.90.777
Publication status	Published - 1997

All Science Journal Classification (ASJC) codes

Otorhinolaryngology

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abstract = "Schwannoma originating from the external auditory canal (EAC) is reportedly very rare. Only seven cases have been documented in the literature. A 57-year-old male visited us with a one-month history of hearing loss of the left ear. The EAC was occupied by a smooth-surfaced spherical tumor. On October 5, 1994, the tumor was excised under general anesthesia through an incision in the posterior auricular sulcus. This excised tumor was smooth and soid, and was 15 mm × 10 mm × 10 mm in size. The histopathological diagnosis was Antoni A and B mixed schwannoma. The tumor has not recurred during the two years since the operation.",

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AU - Komori, Katsuhiko

AU - Iwata, Shigenobu

AU - Takasu, Akihiko

AU - Naito, Kensei

AU - Mori, Shigeki

AU - Iwata, Yoshihiro

PY - 1997

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AB - Schwannoma originating from the external auditory canal (EAC) is reportedly very rare. Only seven cases have been documented in the literature. A 57-year-old male visited us with a one-month history of hearing loss of the left ear. The EAC was occupied by a smooth-surfaced spherical tumor. On October 5, 1994, the tumor was excised under general anesthesia through an incision in the posterior auricular sulcus. This excised tumor was smooth and soid, and was 15 mm × 10 mm × 10 mm in size. The histopathological diagnosis was Antoni A and B mixed schwannoma. The tumor has not recurred during the two years since the operation.

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