angiosarcoma


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angiosarcoma

[‚an·jē·ō‚sär′kō·mə]
(medicine)
A malignant soft-tissue tumor arising from vascular elements.
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Immunohistochemistry (IHC) staining showed CD31 (+), F8-R-Ag (+), Fli-1 (+), Ki-67 (high), CK5/6 (−), calretinin (−), Meso-cell (−), EMA (−), desmin (−), CK (pan) (−), and D2-40 (−), consistent with molecular features of angiosarcoma [Figure 1]f and [Figure 1]g.
Unfortunately, prognosis is poor, with a 5-year survival rate of about 35% in nonmetastatic angiosarcoma cases.
Of the primary liver cancer angiosarcoma constitutes about 2%; however, it still ranks the third most common of the liver malignancies.
37) The penis is an uncommon site of involvement but lesions in this location may be confused with epithelioid hemangioendothelioma or epithelioid angiosarcoma.
Angioendothelioma is a vascular tumor with morphologic appearance and a clinical course intermediate between hemangioma and angiosarcoma.
1 Specialists apply the term angiosarcoma to a wide range of malignant endothelial vascular neoplasms that affect a variety of sites.
Epithelioid angiosarcoma is a variant of angiosarcoma composed of large rounded epithelioid endothelial cells that are positive for cytokeratin on immunostaining.
The differential diagnosis for EHE of the bone includes osteomyelitis and various tumors such as skeletal angiomatosis, Langerhans cell histiocytosis, myeloma, lymphoma, angiosarcoma, and metastasis.
There are also reported cases of angiosarcoma of congenital nature and other causes of chronic secondary lymphedema, such as posttraumatic or post radiation lymphedema and also cases of upper limb angiosarcoma after breast-conserving therapy [2-4].
e grandfather, of Scotswood, Newcastle, has facial angiosarcoma, a cancer of the inner lining of blood vessels.
year will do 13,000 the Shahid Islam-Ali is one of the patients who has been using the charity's services while undergoing radiotherapy after being diagnosed with angiosarcoma last year.
It has previously been reported in association with metastatic gestational choriocarcinoma, in mycosis fungoides with lung involvement, cases of leukemia, lymphoma, multiple myeloma, angiosarcoma, histiocytosis and adenocarcinoma (1-4).