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perineural

perineural

1 8.4
Tissue that lies around a nerve
  • adjective
  • /ˌpɛrɪˈnʊrəl/
  • Specialized
: perineural
  • The most common parotid malignant neoplasm with perineural invasion and intracranial extension is adenoid cystic carcinoma.
  • perineural invasion
  • perineural spread
  • perineural infiltration

Examples

  • The lesion was excised with adequate margins, and there was no evidence of perineural invasion.

    Academic text (2004)
  • The tumor has a significant propensity for perineural spread and distant metastasis.

    Academic text (2005)
  • However, given our strong clinical suspicion of perineural invasion, we decided to undertake a more aggressive search.

    Academic text (2004)
  • Clinical evidence of perineural tumor infiltration is often missing or not specific.

    Academic text (2004)
  • Although the subject of much investigation, the biologic mechanism of perineural invasion is still poorly understood.

    Academic text (2004)
  • Any unexplained facial neuropathy should raise a suspicion of malignant perineural invasion.

    Academic text (2004)
  • We also assessed tumors for the presence of perineural and/or vascular invasion and metastasis.

    Academic text (2005)
  • Despite the clear resection margins, the patient underwent postoperative radiotherapy because of the perineural invasion.

    Academic text (2006)
  • The pathologist noted the presence of perineural invasion during the examination of the tissue samples.

  • Doctors observed perineural tumor infiltration surrounding the affected nerve.

Synonyms

perineurial
vsperineural
  • Specialized
9.9

Relating to the area around a nerve, especially the thin layer that covers nerve fibers

is about being around nerves in general rather than focusing on the sheath

Surface Forms

perineural positive

Morphology

perineural = neural (semi-transparent) = peri + neural

The formation is a straightforward prefixation (peri- 'around' + neural), but 'peri-' is a specialized medical combining form and may be unfamiliar to general learners.

Etymology

Perineural is made from peri- meaning 'around', as in perimeter, and neural meaning 'nerve'. So, perineural means 'around a nerve' and is used for tissue or injections next to a nerve.