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. Author manuscript; available in PMC: 2013 Apr 18.
Published in final edited form as: Acta Neuropathol. 2012 Feb 12;123(3):295–319. doi: 10.1007/s00401-012-0954-z

Figure 12. Neuromuscular choristoma.

Figure 12

Neuromuscular choristoma is an exquisitely rare pseudoneoplastic lesion of nerve characterized by intrafascicular replacement of nerve by mature skeletal muscle (a,b). Immunohistochemistry for EMA highlights the outlining perineurium (c), while S100 and neurofilament protein label associated Schwann cells (d) and axons (e).