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  • Title: Nonepithelial tumors of the nasal cavity, paranasal sinuses, and nasopharynx. A clinicopathologic study. VI. Fibrous tissue tumors (fibroma, fibromatosis, fibrosarcoma).
    Author: Fu YS, Perzin KH.
    Journal: Cancer; 1976 Jun; 37(6):2912-28. PubMed ID: 949712.
    Abstract:
    In a study of 256 nonepithelial neoplasms involving the nasal cavity, paranasal sinuses, and nasopharynx, 23 lesions were classified as fibrous tissue tumors, including four cases of "fibroma", six of fibromatosis, and thirteen of fibrosarcoma. The clinical findings associated with these lesions are described, their histologic features illustrated, results of therapy presented and clinicopathologic correlations made. The "fibromas" presented a small localized nodules. None recurred after local excision. Fibromatosis, a locally aggressive tumor, does not metastasize, but may cause considerable morbidity or even death due to local infiltration which may be difficult to control surgically. Fibrosarcoma may cause death either by local infiltration or by metastasis, but has a better prognosis than most other sarcomas of this region. We recommend that a large en block resection be performed initially for fibromatosis and fibrosarcoma growing in this area, after the diagnosis has been made by biopsy. In this series, including patients who had more than one operation, recurrent tumor was seen following 10 of 12 limited local excisions performed for fibromatosis and fibrosarcoma, but in only one of 13 patients after a large bloc resection. The problems involved in histologically differentiating fibrous tissue tumors from other lesions are discussed. A patient with the rare syndrome of multicentric fibromatosis with spontaneous regression of lesions is presented.
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