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KMID : 0361019980410010130
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Korean Journal of Otolaryngology - Head and Neck Surgery
1998 Volume.41 No. 1 p.130 ~ p.135
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A case of Malignant Triton Tumor In Nasal Cavity
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Kang In-Bong
Kim Seon-Tae
Ha Seung-Yeon
Choi Geon
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Abstract
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Malignant triton tumor is a rare and usually aggressive sarcoma consisting of a malignant schwannoma with rhabdomyoblastic differentiation. Although this tumor is usually found at the extremities, 20% of cases are located in the head and neck region. This unusual tumor has not yet been described in the Korea Journal of Otolaryngology-Head and Neck Surgery. Malignant triton tumor is histologically high-grade, with large numbers of mitoses, prominent necrosis, and cellular pleomorphism. The clinical course for malignant triton tumor is usually one of rapid growth, early metastasis, and poor outcome in spite of therapy. Recently we experienced a case of malignant triton tumor, which involved the nasal cavity, maxillary and ethmoid sinus. The malignant tumor was treated with wide surgical excision followed by radiation therapy.
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