Table 1.
Used antibodies and their results
| Antibody | Clone | Source* | Result | |
| Epithelial cell | Spindle cell | |||
| Pancytokeratin | AE1/AE3 | Biogenex | + | − |
| Vimentin | V2 | Zymed | − | + |
| CD56 | 1B6 | Novocastra | + | Weak + |
| c-KIT | Polyclonal | Dako | + | − |
| LMWCK | 35βH11 | Dako | + | − |
| HMWCK | 34βE12 | Dako | − | − |
| EMA | E29 | Dako | + | − |
| Synaptophysin, | SP11 | LabVision | − | − |
| Chromogranin | SP12 | LabVision | − | − |
| NSE | 5ES | Novocastra | − | − |
| SMA | 1A4 | Dako | − | − |
| Desmin | D33 | Dako | − | − |
| CD10 | 56C6 | Novocastra | − | Weak focal + |
| CD34 | QBEnd-10 | Dako | − | − |
| p63 | 4A4 | Dako | − | − |
| CEA | ll-7 | Dako | − | − |
| Calretinin | 5A5 | Novocastra | − | − |
| Inhibin | R1 | Oxford Bio Innovate | − | − |
+, Positive; −, negative.
*
Biogenex, San Ramon, California, USA; LabVision, Fremont, California, USA; Novocastra, Newcastle upon Tyne, UK; Oxford Bio Innovate, Bicester, UK; Zymed, San Francisco, California, USA.
CEA, carcinoembryonic antigen; EMA, epithelial membrane antigen; HMWCK, high molecular weight cytokeratin; LMWCK, low molecular weight cytokeratin; NSE, neuron-specific enolase; SMA, smooth muscle antigen.