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Malignant degeneration in a juvenile nasopharyngeal angiofibroma has been reported in the literature in only four patients. All of these persons had been previously treated for cure with gamma irradiation. The case report of a 47-year-old man with a 31-year history of nasal obstruction is presented. A recurrence excised 18 months after initial removal of an angiofibroma revealed the surprising diagnosis of fibrosarcoma.
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Paul J. Donald (1979) studied this question.
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