Table 1. Patient demographics and pathologic characteristics of eleven schwannoma-neurofibroma hybrid tumors included in the study.
Case # | Age (y) | Gender | Tumor location | Single or multiple tumor nodules | Tumor size (cm) | Additional features |
---|---|---|---|---|---|---|
1 | 52 | F | Ulnar nerve | Single | 2 | Focal atypia |
2 | 17 | M | Scalp, finger, posterior neck | Multiple | 1 – 3 | Plexiform growth pattern, Verocay bodies |
3 | 49 | F | Tibial nerve | Single | 4.2 | Verocay bodies, hyalinized blood vessels, focal hemosiderin |
4 | 26 | F | Right arm | Multiple (at least 10) | 0.4 – 8.4 | Verocay bodies |
5 | 12 | F | Hard palate, finger | Multiple | 1 – 2 | Verocay bodies |
6 | 45 | M | Paravertebral | Multiple | 1 – 2.7 | Granulomatous inflammation |
7 | 24 | F | Cranial nerve XI | Multiple | 0.3 – 0.5 | |
8 | 44 | F | Leg, finger | Multiple | 0.3 – 4.3 | Separate perineurioma was also found |
9 | 29 | M | Forearm | Single | 1.5 | |
10 | 47 | F | Peri-scapular | Multiple | 4 – 6 | |
11 | 35 | M | Orbit, nasal turbinates | Multiple | 1- 2.3 | Focal myxoid stroma |