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Case Reports
. 2013 Sep;24(3):132-5.
doi: 10.1007/s12022-013-9250-2.

Malignant thyroid teratoma: report of an aggressive tumor in a 64-year-old man

R Vilallonga  1 , C Zafon, C Ruiz-Marcellan, G Obiols, J M Fort, J A Baena, B Villanueva, A Garcia, M Sobrinho-Simões
Affiliations
Case Reports

Malignant thyroid teratoma: report of an aggressive tumor in a 64-year-old man

R Vilallonga et al. Endocr Pathol. 2013 Sep.

Abstract

Malignant teratoma of the thyroid is a rare and aggressive tumor, frequent in children than in adults. Histologically, thyroid teratomas usually show a predominance of a neuroectodermal component. Mature cartilage and bone may be present. We present the case of primary malignant teratoma of the thyroid in a 64-year-old man. Histologically, the tumor displayed a predominant neuroectodermal component. The diagnosis was confirmed by immunohistochemistry. The patient underwent a radical thyroidectomy with central neck dissection as primary treatment and radioiodine treatment afterwards. The patient had local and distant recurrence. A second surgery was performed with poor results and the patient died 3 months afterwards.

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