NCIt related terms : HEMANGIOSARCOMA, MALIGNANT; hemangiosarcoma;
NCIt definition : A malignant tumor arising from the endothelial cells of the blood vessels. Microscopically,
it is characterized by frequently open vascular anastomosing and branching channels.
The malignant cells that line the vascular channels are spindle or epithelioid and
often display hyperchromatic nuclei. Angiosarcomas most frequently occur in the skin
and breast. Patients with long-standing lymphedema are at increased risk of developing
angiosarcoma.;
Alternative definition : NCI-GLOSS: A type of cancer that begins in the cells that line blood vessels.; CDISC: A malignant vascular neoplasm arising from endothelial cells.;
Neoplastic status : Malignant;
ICD-O code : 9120/3;
Codes from synonyms : CDR0000335069; CDR0000046532;