Research Article
Sporadic versus Radiation-Associated Angiosarcoma: A Comparative Clinicopathologic and Molecular Analysis of 48 Cases
Table 2
Histological comparison between SA and RAA.
| | | Grade | Architecture | Depth of involvement
(breast only) |
| SA
() | High: 32/37
(86.5%) | V: 10/37 (27%)
So: 8/37 (21.6%)
Si: 5/37 (13.5%)
S/E: 4/37 (10.8%)
Other: 10/37 (27%) | Dermis: 1/5 (20%)
Parenchyma: 4/5 (80%) |
| RAA
() | High: 7/9
(77.8%) | V: 5/9 (55.6%)
So: 1/9 (11.1%)
S/E: 3/9 (33.3%) | Dermis: 4/5 (80%)
Parenchyma: 1/5 (20%) |
|
|
V: vasoformative, So: solid, Si: sieve, S/E: solid/epithelioid.
|
