Gastrointestinal Tract Schwannoma
Supplemental Studies
Immunohistology
| S100 | 100% |
| GFAP | 64-100% |
| Nestin | 79-96% |
| Collagen type IV | 100% |
| p75 | 100% |
| CD34 | 0-33% |
| CD117, actin, desmin, neurofilaments, HMB45, myelin basic protein | negative |
| S100 | 100% |
| GFAP | 64-100% |
| Nestin | 79-96% |
| Collagen type IV | 100% |
| p75 | 100% |
| CD34 | 0-33% |
| CD117, actin, desmin, neurofilaments, HMB45, myelin basic protein | negative |