from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A malignant tumor arising from vascular tissue.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any malignant tumour of vascular tissue
from The Century Dictionary and Cyclopedia
- n. A sarcoma, or tumor, in which the blood-vessels assume importance from their number, size, and relation to the structure of the tumor.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a rare malignant neoplasm arising from vascular tissue; usually occurs in the breast and skin and is believed to originate from the endothelial cells of blood vessels
Researchers, including those at the National Cancer Institute, plan to launch three clinical trials later this year in dogs with osteosarcoma, a bone cancer, angiosarcoma, a blood-vessel cancer, and melanoma, the deadly skin cancer.
They diagnosed cardiac angiosarcoma, an extremely rare form of cancer.
The project began with the study of hemangiosarcoma - angiosarcoma in humans - a cancer for which there are currently no effective treatments.
Now, researchers at Loyola University Health System in Maywood, Ill., have focused in on a finding that could be a possible precursor to angiosarcoma.
Physicians have long noticed that breast cancer patients who have had surgery or radiation therapy have an heightened risk of developing angiosarcoma, a rare type of cancer that originates in the lining of the blood vessels.
"We wanted to make sure that nothing was left that could progress to an angiosarcoma,"
The main question is, 'Are there special markers or other histological features underneath the microscope that would suggest that on atypical vascular lesion is worse and more likely to develop into an angiosarcoma and another one is not?'
The study concludes that the focus of future research should be on finding markers to detect which type of atypical vascular lesions are more likely to lead to an angiosarcoma.
When my husband became deathly ill with a rare angiosarcoma tumor in June 2008, we knew we were going to be facing financial and medical hardships.
Hemangioendothelioma is the term utilized to describe a varied group of vascular tumors that usually appear as red or blue nodules and tend to behave biologically in a manner that can be classified as falling between a benign hemangioma and malignant angiosarcoma.