A case of mucoepidermoid carcinoma of the parotid gland; unusual progression to the external auditory canal via Santorini’s fissures

Makoto Urano, Satoshi Yoshioka, Hisayuki Kato, Kanetaka Horibe, Yusuke Hiei, Takehiro Yui, Tatsuyoshi Okada, Kazuo Sakurai

研究成果: Article査読

抄録

Here we report a case of mucoepidermoid carcinoma of the parotid gland accompanied by invasion through an unusual route. A 46-year-old female visited our department complaining of a growth in the external auditory canal and a purulent discharge. She had no swelling in her parotid region. Repeated biopsies of the external ear revealed inflammatory granulations and they made it difficult to point out the neoplasm. Contrast enhanced CT and MRI findings showed a solid tumor of the parotid gland that extended to the cranial side of the gland. Finally, a low-grade mucoepidermoid carcinoma that had originated in the upper pole of the parotid gland had progressed to the external auditory canal via "Santorini's fissures," which is a notch in the cartilage of the auditory meatus. Both otolaryngologists and pathologists should pay attention to this kind of unusual route taken by a parotid gland tumor invasion.

本文言語English
ページ(範囲)443-447
ページ数5
ジャーナルJapanese Journal of Head and Neck Cancer
40
4
DOI
出版ステータスPublished - 08-01-2015

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology
  • Oncology

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