嚢胞腔内に小石灰化粒を認めた甲状舌管嚢胞の1例

DOI Web Site 参考文献6件
  • 須賀 則幸
    公立福生病院歯科口腔外科 明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野II
  • 馬越 誠之
    公立福生病院歯科口腔外科 明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野II
  • 奥 結香
    明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野II
  • 重松 久夫
    明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野II
  • 田中 陽一
    東京歯科大学市川総合病院検査科病理
  • 坂下 英明
    明海大学歯学部病態診断治療学講座口腔顎顔面外科学分野II

書誌事項

タイトル別名
  • A case of thyroglossal duct cyst associated with small calcification grains in the cystic cavity
  • 囊胞腔内に小石灰化粒を認めた甲状舌管囊胞の1例
  • ノウホウクウナイ ニ コイシ ハイカリュウ オ ミトメタ コウジョウ ゼツカンノウホウ ノ 1レイ

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抄録

Thyroglossal duct cyst (TGDC) generally arises from the remnant of the thyroglossal duct that connects the foramen cecum of the tongue to the thyroid gland. We describe a rare case of TGDC associated with small calcification grains in the cystic cavity. <br>A 39-year-old man was referred to our hospital for further evaluation of a tumor in the submental region. At presentation, the tumor, which measured 4 cm in diameter, was found in the subhyoid region as a rounded, well-circumscribed, painless, mobile, and elastic-soft mass. He had no clinically significant family or medical history of TGDC. Ultrasonography demonstrated a poorly-demarcated cystic lesion about 2 cm in diameter with a heterogeneous internal echo pattern that was partly hyperechoic. Computed tomography and magnetic resonance imaging also showed a demarcated and round cystic mass with a diameter of 2 cm. A clinical diagnosis of TGDC was made, and we performed surgical removal of the tumor with the Sistrunk procedure under general anesthesia. Histopathologically, the cyst was covered with pseudostratified ciliated columnar epithelium within stratified squamous epithelium in some areas. In addition, lamellar-structured small calcification grains were found within the cystic cavity. A histopathological diagnosis of TGDC was made. These small calcification grains apparently developed by a process similar to the generating mechanism of a sialolith. Recurrence of the original TGDC was not found 3 years or more after surgery.

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