appendix, tonsil, liver, placenta
mainly membraneous and some cytoplasmic
Regulatory status: IVD, FDA Class I
8282-C010: RTU, 10 capsules; 1 pack
8282-M250: RTU, 1 cartridge, 250 tests; 1 unit
CD31, also known as platelet/endothelial cell adhesion molecule 1 (PECAM-1), is a trans-membrane protein expressed on endothelial cells.
Strong staining in the angiosarcoma.
Negative staining of columnar cells but strong staining of T-cells in the appendix.