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  • Title: [A well differentiated fibrosarcoma arising in left neck region].
    Author: Hayashi Y, Sumida T, Kitahira H, Baba I.
    Journal: Gan No Rinsho; 1990 Dec; 36(15):2575-9. PubMed ID: 2266590.
    Abstract:
    The frequency of a fibrosarcoma, based on current criteria, is less than 10% of soft tissue sarcomas. It is most common in the region of extremities and the trunk and relatively rare in the head and neck region. Therefore, of interest is a case of a well differentiated fibrosarcoma arising in left neck region of a 69-year-old woman that is reported. The excised tumor consisted of a firm, partially lobulated mass with a fibrous capsule that measured 8 cm at its greatest diameter. Histologically, the tumor tissue was rather uniform and often had a fasciculated growth pattern consisting of spindle shaped cells and interwoven collagenous fiber in a parallel fashion. To achieve a diagnosis, it was necessary to differentiate this type of fibrosarcoma from aggressive fibromatosis and myogenic tumor (leiomyoma or leiomyosarcoma).
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