Sentences with fibrosarcoma
fi·bro·sar·co·ma
F f - To the best of our knowledge, this case represents the first report of a cellular fibrothecomatous tumor with minor benign sex cord elements and focal fibrosarcomatous stroma.
- Based on the histologic and immunophenotypic features of the fibrosarcomatous components of both the breast and thyroid tumors, we rendered a diagnosis of cystosarcoma phyllodes metastatic to Hurthle cell adenoma.
- Malignant fibrous histiocytomas and fibrosarcomas do not contain osteoid or bone and are typically high-grade lesions.
- The MIB - 1 labeling index in the fibrothecomatous areas was less than 1%, in contrast to the fibrosarcomatous areas, in which it was up to 10% focally.
- Foci of malignant spindle cells representing fibrosarcoma were also identified.
- Beneath the capsule, and infiltrating between the Hurthle cell cords and follicles, we identified a proliferation of a second population of atypical spindle cells in a fibrosarcomatous pattern.
- Histologically, the right ovarian tumor was a fibrothecoma with minor sex cord elements showing focal fibrosarcomatous change.
- Unclassifiable spindle cell sarcoma, fibrosarcoma, or malignant fibrohistiocytoma may resemble the spindle cell areas of angiosarcoma.