Table of Contents
Definition / general | Case reports | Clinical images | Microscopic (histologic) description | Positive stains | Differential diagnosisCite this page: Shankar, V. Nerve sheath myxoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/softtissuenervesheathmyxoma.html. Accessed February 16th, 2019.
Definition / general
- Controversial tumor due to disputed relationship with neurothekeoma
- Skin, soft tissue, intraspinal
- Resembles myxoma but plumper, epithelial-like cells; fascicular or plexiform arrangement
- Based on the amount of myxoid stroma, nerve sheath myxoma is divided into myxoid (classical), mixed and cellular types
Case reports
- 32 year old woman with painless enlarging gingival mass (Head Neck Pathol 2010;4:242)
- 33 year old woman with painful leg lesion (Dermatol Online J 2007;13:14)
Microscopic (histologic) description
Positive stains
- S100 (sporadic)
Differential diagnosis
- Myxoid neurofibroma: S100+ (strong)
- Perineurioma