Ewing's tumor
Noun: A rare type of malignant (cancerous) tumor that arises in bone or soft tissue, most commonly found in children and young adults. It is characterized by the presence of small, round, blue cells and typically originates in the bone marrow of long bones (like the femur) or the pelvis.
This term is used in medical contexts to diagnose and classify a specific type of bone cancer. * The biopsy confirmed the presence of Ewing's tumor in the patient's femur. * Treatment for Ewing's tumor often involves a combination of chemotherapy, radiation, and surgery.
- "Ewing's tumor" is part of a group of cancers known as the Ewing sarcoma family of tumors (ESFT). It is named after Dr. James Ewing, who first described the disease in 1921.
- In medical literature, the terms "Ewing's sarcoma" and "Ewing's tumor" are often used interchangeably, though "sarcoma" more precisely indicates its origin in bone or soft tissue.
- Ewing's sarcoma (n): The more precise clinical term, synonymous with Ewing's tumor.
- Peripheral primitive neuroectodermal tumor (pPNET) (n): A closely related tumor within the same family, sometimes considered extraosseous (outside the bone) Ewing's sarcoma.
- Askin's tumor (n): A type of Ewing's tumor specifically located in the chest wall.
- Ewing's sarcoma
- Ewing sarcoma (a modern variant of the term, often without the possessive apostrophe)
The term specifically refers to the malignant neoplasm itself. It does not describe symptoms, treatments, or patient experiences, but solely the pathological diagnosis of this particular cancer type.
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malignant tumor in bone marrow (usually in the pelvis or in long bones)
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