A case of squamous cell carcinoma derived from a thyroglossal duct cyst requiring total laryngectomy

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  • Tokushige Takeshi
    Department of Otolaryngology and Head and Neck Surgery, Imakiire General Hospital Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University
  • Hanamure Yutaka
    Department of Otolaryngology and Head and Neck Surgery, Imakiire General Hospital
  • Sekiyama Kohsuke
    Department of Otolaryngology and Head and Neck Surgery, Imakiire General Hospital
  • Yamashita Masaru
    Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University

Bibliographic Information

Other Title
  • 喉頭全摘術を要した甲状舌管囊胞由来と考えられた 扁平上皮癌の1例
Published
2022
DOI
  • 10.5106/jjshns.32.145
Publisher
JAPAN SOCIETY FOR HEAD AND NECK SURGERY

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Malignant tumors originating from thyroglossal duct cysts are rare, accounting for about 1％ of such cases, and most of them are diagnosed as papillary carcinomas; squamous cell carcinomas are extremely rare, accounting for about 5％ of malignant cases. In this paper, we report a case of squamous cell carcinoma thought to be derived from a thyroglossal duct cyst which required tumor resection with total laryngectomy. A 69-year-old woman presented to us with hoarseness, swelling and tenderness in the lower part of the submental region. Contrast-enhanced computed tomography （CT） and contrast-enhanced magnetic resonance imaging （MRI） suggested a disruption of the thyroglossal duct cyst with a neoplastic lesion. The diagnosis of squamous cell carcinoma was confirmed based on puncture aspiration cytology and tissue biopsies. The tumor had invaded into the larynx. The patient subsequently underwent anterior cervical malignant tumor resection including total laryngectomy. Comprehensive preoperative and postoperative histological analyses suggested that the squamous cell carcinoma had originated from a thyroglossal duct cyst. In cases of squamous cell carcinoma derived from thyroglossal duct cysts, the Sistrunk method alone is not always sufficient for tumor control. Total laryngectomy could be required in cases with laryngeal invasion of squamous cell carcinoma.

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