Perineural invasion

From Libre Pathology
Revision as of 01:43, 10 August 2012 by Michael (talk | contribs) (nl update 23)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

Perineural invasion, also known as perineural tumour, is the presence of a tumour within the nerve sheath. It is abbreviated as PNI.

Generally, it is an indicator of a poor prognosis.

Specific tumours

Tumour Prognosis Comment
Colorectal carcinoma independent predictor[1]

Microscopic

Features:

  • Tumour within the nerve sheath.

Images:

See also

References

  1. ↑ Liebig, C.; Ayala, G.; Wilks, J.; Verstovsek, G.; Liu, H.; Agarwal, N.; Berger, DH.; Albo, D. (Nov 2009). "Perineural invasion is an independent predictor of outcome in colorectal cancer.". J Clin Oncol 27 (31): 5131-7. doi:10.1200/JCO.2009.22.4949. PMID 19738119.
Retrieved from "https://librepathology.org/w/index.php?title=Perineural_invasion&oldid=16927"