Fibrosarcoma

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Fibrosarcoma
Fibrosarcoma under a microscope
Synonyms
Pronounce	N/A
Specialty	N/A
Symptoms	Swelling, pain, lump
Complications	Metastasis, recurrence
Onset	Typically in adults
Duration
Types
Causes
Risks	Genetic predisposition, radiation exposure
Diagnosis	Biopsy, imaging studies
Differential diagnosis	Liposarcoma, leiomyosarcoma, malignant peripheral nerve sheath tumor
Prevention
Treatment	Surgery, radiation therapy, chemotherapy
Medication
Prognosis	Variable, depends on stage and location
Frequency	Rare
Deaths	N/A

For the condition in cats, see Vaccine-associated sarcoma.

Introduction

A cat post-surgery for fibrosarcoma

Fibrosarcoma is a malignant tumor that arises from fibroblasts, the cells responsible for producing collagen and other fibers. It is a type of soft tissue sarcoma and can occur in any part of the body, although it is most commonly found in the extremities, trunk, and head and neck region.

Pathophysiology

Fibrosarcomas are characterized by the proliferation of atypical fibroblasts and the production of excessive amounts of collagen. These tumors are typically poorly circumscribed and can invade surrounding tissues. The histological appearance of fibrosarcoma includes spindle-shaped cells arranged in a herringbone pattern.

Clinical Presentation

Patients with fibrosarcoma may present with a painless mass that gradually increases in size. As the tumor grows, it may cause pain or functional impairment depending on its location. In advanced cases, fibrosarcoma can metastasize to the lungs and other organs.

Diagnosis

The diagnosis of fibrosarcoma is typically made through a combination of imaging studies and biopsy. Imaging techniques such as MRI and CT scan are used to assess the extent of the tumor and its relationship to surrounding structures. A biopsy is necessary to confirm the diagnosis and to differentiate fibrosarcoma from other types of soft tissue sarcomas.

Treatment

The primary treatment for fibrosarcoma is surgical resection with wide margins to ensure complete removal of the tumor. In some cases, radiation therapy and/or chemotherapy may be used as adjunctive treatments to reduce the risk of recurrence or to treat metastatic disease.

Prognosis

The prognosis for patients with fibrosarcoma depends on several factors, including the size and location of the tumor, the completeness of surgical resection, and the presence of metastases. Early detection and complete surgical removal of the tumor are associated with a better prognosis.

See also

• Soft tissue sarcoma
• Vaccine-associated sarcoma
• Oncology