A case of sialolith in the minor salivary gland duct of the lower lip

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  • 下唇に生じた小唾液腺導管内唾石の１例
  • ショウレイ ホウコク カシン ニ ショウジタ ショウダエキセン ドウカン ナイ ダセキ ノ 1レイ

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Abstract

Sialoliths mainly occur in the major salivary glands and rarely arise in the minor salivary glands. Sialoliths in the lower lip are extremely rare.<BR>We report a sialolith occurring in the minor salivary gland duct of the lower lip. An 84-year-old woman was referred to our hospital because of a tumor of the right lower lip. The clinical diagnosis was a benign tumor. We performed tumor excision. There were no adhesions of the surrounding tissue, and the tumor was excised without any problems. Histologically, fragments of calcified material were seen within a dilated duct. The duct epithelium consisted of pseudostratified ciliated columnar epithelium. A minor salivary gland near the duct showed acinar atrophy and fibrosis. The histopathologic diagnosis was a sialolith in the minor salivary gland duct. The patient's postoperative course has been good, with no evidence of recurrence.

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