Malignant “Triton” tumor in the thyroid —A case report— |
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Authors: | Takayoshi Naruse MD Akihiko Koike Kazuyoshi Suzumura Kozo Matsumoto Yoshiaki Inamura Junichi Saigusa |
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Institution: | (1) The First Department of Surgery, Aichi Medical University, Nagakute, 480-11 Aichi, Japan |
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Abstract: | This report presents a very rare case of a malignant “Triton” tumor developing in the thyroid. Although malignant “Triton”
tumors have often been known to develop in cases of neurofibromatosis, Von Recklinghausen's disease, this patient showed no
clinical evidence of that disease. Total thyroidectomy including left standard radical neck dissection was followed by postoperative
irradiation to the neck. Despite this, local and distant metastases developed four months after treatment and the recurrent
foci did not respond to chemotherapy or irradiation. The clinical course of this case mimicked that of anaplastic carcinoma
of the thyroid and interestingly, a minimal lesion of papillary adenocarcinoma was found to exist concurrently in the thyroid
gland of this patient. |
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Keywords: | non-epithelial thyroid tumor malignant Triton tumor |
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