gms | German Medical Science

76th Annual Meeting of the German Society of Oto-Rhino-Laryngology, Head and Neck Surgery

German Society of Oto-Rhino-Laryngology, Head and Neck Surgery

04.05. - 08.05.2005, Erfurt

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Papillary carcinoma in a thyreoglossal duct cyst: ectopic primary or metastasis?

Meeting Abstract

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  • corresponding author Veit Maria Hofmann - University of Halle, ENT-Clinic, Germany
  • Michael Pohl - Bundeswehrkrankenhaus Leipzig
  • Marc Boris Bloching - University of Halle, ENT-Clinic, Germany

Deutsche Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie. 76. Jahresversammlung der Deutschen Gesellschaft für Hals-Nasen-Ohren-Heilkunde, Kopf- und Hals-Chirurgie e.V.. Erfurt, 04.-08.05.2005. Düsseldorf, Köln: German Medical Science; 2005. Doc05hno258

The electronic version of this article is the complete one and can be found online at: http://www.egms.de/en/meetings/hno2005/05hno114.shtml

Published: September 22, 2005

© 2005 Hofmann et al.
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Outline

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Thyreoglossal duct cysts are the most common anomaly in thyroid development. The occurrence of carcinoma in a cyst is reported to be about 1%. Worldwide about 200 cases are described. In about 85% histopathology reveals a papillary thyroid carcinoma. In order to elucidate the therapeutical management of such a mostly incidentally diagnosed carcinoma we report the case of 38-year-old female that presented with a cystic cervical mass. After Sistrunk procedure an ectopic papillary thyroid carcinoma was diagnosed. There was no evidence for a malignant tumor in preoperative Tc-99m-Scan, MRI and ultrasound. A total thyoidectomy and bilateral neck dissection was performed. This revealed a small thyroid carcinoma and 3 positive lymphatic nodes. Postoperatively we carried out a radioiodine therapy and a percutane radiotherapy. The histopathological findings support our relatively radical therapy. Weather the cystic carcinoma is the primary or a metastasis of the thyroid carcinoma is a matter of debate. Inndeed the existence of two independent primary carcinomas (multicentric) could be possible.