Korean J Otolaryngol-Head Neck Surg.
1998 Jan;41(1):130-135.
A Case of Malignant Triton Tumor In Nasal Cavity
- Affiliations
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- 1Department of Otolaryngology-Head and Neck Surgery, Joong Ang Gil Hospital, Incheon, Korea.
- 2Department of Pathology, Joong Ang Gil Hospital, Incheon, Korea.
- 3Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Korea University, Seoul, Korea.
Abstract
- 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 Korean 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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