Epithelioid sarcoma

Epithelioid Sarcoma

Epithelioid sarcoma (pronunciation: e-pi-the-lei-oid sar-co-ma) is a rare type of soft tissue sarcoma that typically arises in the soft tissue of the extremities, often in the hands or feet.

Etymology

The term "epithelioid" is derived from the Greek words "epi" meaning "upon" and "thelē" meaning "nipple", referring to the cell's resemblance to epithelial cells. "Sarcoma" is derived from the Greek word "sarkoma" which means "fleshy growth".

Definition

Epithelioid sarcoma is a slow-growing type of cancer that typically begins in the soft tissues under the skin of the fingers, hands, or forearms, but can occur anywhere in the body. It is characterized by the presence of epithelioid cells, which resemble epithelial cells but are actually mesenchymal cells.

Symptoms

Symptoms of epithelioid sarcoma may include a lump or swelling in the affected area, pain or discomfort, and limited movement of the affected limb. In some cases, the disease may spread to the lymph nodes and other parts of the body.

Diagnosis

Diagnosis of epithelioid sarcoma often involves a physical examination, imaging tests such as MRI or CT scan, and a biopsy of the affected tissue. The diagnosis is confirmed by the presence of certain histological features and the expression of specific immunohistochemical markers.

Treatment

Treatment for epithelioid sarcoma typically involves surgery to remove the tumor, followed by radiation therapy or chemotherapy to kill any remaining cancer cells. In some cases, targeted therapies or immunotherapy may be used.

Prognosis

The prognosis for epithelioid sarcoma varies depending on the stage of the disease at diagnosis, the size and location of the tumor, and the patient's overall health. Early detection and treatment can improve the prognosis.

Related Terms

• Soft tissue sarcoma
• Cancer
• Epithelial cells
• Mesenchymal cells
• Lymph nodes
• MRI
• CT scan
• Biopsy
• Immunohistochemical
• Radiation therapy
• Chemotherapy
• Immunotherapy

External links

• Medical encyclopedia article on Epithelioid sarcoma
• Wikipedia's article - Epithelioid sarcoma

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