Fibrosarcomas are uncommon soft tissue tumors of ferrets. Fibrosarcomas
arise from fibroblasts - the cells which produce collagen in the skin and
soft tissues. However, this particular neoplasm can mimic other tumors of
a decidedly less aggressive nature - tumors of the smooth muscle of blood
vessels or those of the peripheral nerve.
Treatment of these tumors is generally limited to complete surgical
excision - chemotherapy has not proven effective for these tumors -
radiation may be helpful after surgical debulking. The best treatment is
complete surgical excision. You don't mention the site - if it is an
extremity, then amputation is a consideration if there is recurrence at
the original site.
With kindest regards,
Bruce H. Williams, DVM, DACVP
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[Posted in FML issue 3404]