Cite this page: Epithelial sheath neuroma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/skintumornonmelanocyticepithelialsheathneuroma.html. Accessed March 27th, 2017.
Definition / General
- Benign proliferation of nerve fibers ensheathed by squamous epithelium involving the superficial dermis (Am J Surg Pathol 2000;24:190)
- Increased discrete, enlarged nerve bundles in upper dermis with myxoid perineuroepithelial fibroplasia
- Malignant epithelial neoplasm with perineurial invasion
- Cutaneous nerve hyperplasia: associated with MEN2b syndrome; lacks perineural lymphocytic response