Fibrosarcoma
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| Fibrosarcoma Classification and external resources | |
| ICD-O: | 8810/3 |
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| MeSH | D005354 |
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Most recent articles on Fibrosarcoma Most cited articles on Fibrosarcoma | |
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Ongoing Trials on Fibrosarcoma at Clinical Trials.gov Clinical Trials on Fibrosarcoma at Google
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US National Guidelines Clearinghouse on Fibrosarcoma
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Patient resources on Fibrosarcoma Discussion groups on Fibrosarcoma Patient Handouts on Fibrosarcoma Directions to Hospitals Treating Fibrosarcoma Risk calculators and risk factors for Fibrosarcoma
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Overview
Fibrosarcoma (fibroblastic sarcoma) is a malignant tumor derived from fibrous connective tissue and characterized by immature proliferating fibroblasts or undifferentiated anaplastic spindle cells.
Pathology
The tumor may present different degrees of differentiation: low grade (differentiated), intermediate malignancy and high malignancy (anaplastic). Depending on this differentiation, tumor cells may resemble mature fibroblasts (spindle-shaped), secreting collagen, with rare mitoses. These cells are arranged in short fascicles which split and merge, giving the appearance of "fish bone". Poorly differentiated tumors consist in more atypical cells, pleomorphic, giant cells, multinucleated, numerous atypical mitoses and reduced collagen production. Presence of immature blood vessels (sarcomatous vessels lacking endothelial cells) favors the bloodstream metastasizing.
Fibrosarcoma in dogs and cats
Fibrosarcoma occurs most frequently in the mouth in dogs. The tumor is locally invasive, and recurs often following surgery. Radiation therapy and chemotherapy are also used in treatment. Fibrosarcoma is also a rare bone tumor in dogs.[1]
In cats, fibrosarcoma occurs on the skin. It also the most common vaccine-associated sarcoma.[1]
See also
References
External links
de:Fibrosarkom
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
