HEMANGIOENDOTHELIOMA Meaning and
Definition
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Hemangioendothelioma is a rare type of tumor that arises from the lining of blood vessels known as endothelial cells. It is characterized by the abnormal, uncontrolled growth of these cells, leading to the formation of a mass or lump within the affected blood vessels or surrounding tissues. Hemangioendotheliomas can occur in various parts of the body, including the liver, lungs, bones, skin, and soft tissues.
These tumors can exhibit a wide range of clinical behaviors, ranging from benign to intermediate to malignant. Benign hemangioendotheliomas are typically slow-growing and have a low potential for spreading to other parts of the body. Intermediate hemangioendotheliomas share some features with both benign and malignant tumors and may have a slightly higher chance of local recurrence or distant metastasis. Malignant hemangioendotheliomas, on the other hand, are aggressive tumors that have a higher tendency for invasive growth and spreading to distant sites, potentially resulting in a poor prognosis.
The exact cause of hemangioendothelioma is not well understood. However, some cases have been associated with certain genetic mutations or prior exposure to radiation. Symptoms and treatment options for hemangioendothelioma depend on the location, size, and behavior of the tumor. Treatment may involve surgical removal of the tumor, radiation therapy, chemotherapy, or targeted therapies, depending on the specific circumstances of the case.
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A tumor of variable size, often located on the cerebral meninges, formed of an overgrowth of the endothelium of the minute blood-vessels arranged in concentric whorls embedded in a cellular stroma.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for HEMANGIOENDOTHELIOMA
- gemangioendothelioma
- bemangioendothelioma
- nemangioendothelioma
- jemangioendothelioma
- uemangioendothelioma
- yemangioendothelioma
- hwmangioendothelioma
- hsmangioendothelioma
- hdmangioendothelioma
- hrmangioendothelioma
- h4mangioendothelioma
- h3mangioendothelioma
- henangioendothelioma
- hekangioendothelioma
- hejangioendothelioma
- hemzngioendothelioma
- hemsngioendothelioma
- hemwngioendothelioma
- hemqngioendothelioma
- hemabgioendothelioma
Etymology of HEMANGIOENDOTHELIOMA
The word "hemangioendothelioma" is derived from several roots:
1. Hemangio-: This stem comes from the Greek word "haima" meaning "blood" and "angeion" meaning "vessel" or "container". Hence, "hemangio-" refers to blood vessels.
2. -endothelioma: The suffix "-oma" in medical terminology usually denotes a tumor or mass. The prefix "endo-" is derived from the Greek word "endon", which means "inside" or "within". The term "endothelioma" refers to a tumor arising from the endothelium, which is the thin layer of cells that lines the interior surface of blood vessels and lymphatic vessels.
By combining these roots, "hemangioendothelioma" refers to a tumor that arises from the endothelial cells of blood vessels.
