Epithelioid cells (also called epithelioid histiocytes) are derivatives of activated macrophages resembling epithelial cells. [1][2][3] Epithelioid cells gather around the focus of necrosis, in direct contact with the necrotic masses, forming a kind of boundary zone.

Jan 17, 2025 · Epithelioid sarcoma is a rare type of cancer that starts as a growth of cells in the soft tissue. It can happen anywhere on the body. It often starts under the skin on the finger, hand, forearm, knee or lower leg.

What is epithelioid sarcoma? Epithelioid sarcoma (ES) is a rare subtype of soft tissue sarcoma. It usually starts as a lump in your forearms, hands, fingers, lower legs or feet — though it can appear in other areas. Eventually, more than one lump may develop, but …

Epithelioid hemangioendothelioma (EHE) is a rare cancerous tumor that forms in cells lining your blood vessels. Most tumors appear in your liver, lungs or bones. EHE varies in severity.

Jan 17, 2025 · Epithelioid sarcoma can be hard to diagnose. It looks like problems that are much more common. Often healthcare professionals consider those more common problems first. For example, a sore on the skin that is not healing could be mistaken for a skin infection. Tests and procedures used in the diagnosis of epithelioid sarcoma include:

Jul 2, 2024 · Epithelioid sarcoma is locally invasive and frequently metastasizes to regional lymph nodes and distant sites. Diagnosis is determined by tissue biopsy, while imaging studies are essential for assessing the extent of the primary tumor and identifying metastatic disease.

Epithelioid may refer to: Epithelioid cell, a cell that resembles epithelial cells; Epithelioid sarcoma, a soft tissue tumour; Epithelioid hemangioendothelioma, a vascular tumour occurring in the lining of blood vessels; Epithelioid blue nevus, a melanocytic nevus; Epithelioid sarcoma-like hemangioendothelioma, a group of vascular neoplasms

The meaning of EPITHELIOID is resembling epithelium. How to use epithelioid in a sentence.

An epithelioid sarcoma is a type of soft tissue sarcoma that typically develops in the forearms and hands. Other locations for these cancerous tumors include the legs and feet, chest, abdomen (belly), pelvis, and back.

Epithelioid sarcoma is a rare, highgrade, soft tissue tumor that has a known propensity for local recurrence, regional lymph node involvement, and distant metastases. We review the clinical and histological presentations of epithelioid sarcoma.