malignant schwannoma (neurofibrosarcoma)
Histologic Features
- A large neoplasm with poorly oriented fascicles consisting of spindle cells with slender nuclei which are comma-shaped or twisted
- Many foci of myxoid areas with a fibrillar stroma
- Focal nuclear palisading
- Perineural extension
- Hyalinized cords and nodules among neoplastic cells
- Areas showing plexiform, whorled and curlicue patterns
Updated Wednesday, July 31, 2013 8:30:48 PM