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Korean Journal of Head & Neck Oncology 1999;15(2):239-242.
Published online November 30, 1999.
Unknown Primary Origin Metastatic Spindle Cell Carcinoma : A Case Report
Joong Wha Koh;Byung Chul Kim;Seung Kyun Kim
원인불명의 경부전이성 방추형 세포암 1례
고중화;김병철;김성균
Abstract
Spindle cell carcinomas of the head and neck are unusual neoplasms that are histologically biphasic, having both squamous cell carcinoma and apparently malignant spindle cell or sarcomatous element. Controversy about the histogenesis of these tumors has resulted in various terminology ; sarcomatoid carcinoma, pseudosarcoma, carcinosarcoma, and spindle cell carcinoma. The clinical course and natural history of these tumors are also variable. We report a case of 64-year-old male who complained of a neck mass. The patient was treated with extended radical neck dissection and postoperative radiotherapy, but the primary site of spindle cell carcinoma could not be found. We reviewed the clinical course, treatment, prognosis, and histogenesis of spindle cell carcinoma of the head and neck.
Key Words: Spindle cell carcinoma, Unknown primary origin


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