Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Fibrosarcoma
Medically reviewed by Min Clinic Staff | Updated: January 2026
Fibrosarcoma: A malignant tumor consisting of fibroblasts (connective tissue cells that produce the collagen found in scar tissue) Fibrosarcoma may occur as a mass in the soft tissues or may be found in bone. An infantile form of fibrosarcoma which occurs in children less than one year of age has an excellent prognosis when appropriately treated. Symptoms may include a lump or mass with or without associated pain and soreness.