Bilateral endoscopic endonasal marsupialization of nasopalatine duct cyst

  • Yohei Honkura Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan.
  • Kazuhiro Nomura | kazuhiroe@gmail.com Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan.
  • Hidetoshi Oshima Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan.
  • Yusuke Takata Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan.
  • Hiroshi Hidaka Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan.
  • Yukio Katori Department of Otolaryngology-Head and Neck Surgery, Tohoku University Graduate School of Medicine, Miyagi, Japan.

Abstract

Nasopalatine duct cysts are the most common non-odontogenic cysts in the maxilla, and are conventionally treated through a sublabial or palatine approach. Recently, the endoscopic approach has been used, but experience is extremely limited. We treated a 29-year-old male with nasopalatine duct cyst by endoscopic marsupialization, but paresthesia of the incisor region occurred after surgery. This paresthesia gradually remitted within 6 months. The nasopalatine nerve, which innervates the upper incisor region, enters two lateral canals separately at the nasal floor and exits the central main canal at the palate. Damage to the bilateral nasopalatine nerves might lead to paresthesia, so we recommend careful examination for nerve fibers during endoscopic surgery, especially if fenestration is performed on both sides.

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Published
2015-02-05
Section
Case Reports
Keywords:
endoscope, incisive canal, nasopalatine duct, nasopalatine nerve, sensation.
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How to Cite
Honkura, Y., Nomura, K., Oshima, H., Takata, Y., Hidaka, H., & Katori, Y. (2015). Bilateral endoscopic endonasal marsupialization of nasopalatine duct cyst. Clinics and Practice, 5(1). https://doi.org/10.4081/cp.2015.748