perineural


Also found in: Medical, Encyclopedia.

perineural

(ˌpɛrɪˈnjʊərəl)
adj
(Biology) biology located around a nerve or bunch of nerves; surrounding a nerve
References in periodicals archive ?
Since perineural invasion and lymphovascular invasion in GP have not been systematically evaluated, identifying the clinical significance of these factors is a future challenge.
SAN FRANCISCO -- Patients with high-risk keratinocyte carcinomas sometimes present with neurologic symptoms mimicking Bell's palsy or trigeminal neuralgia, making the diagnosis of these perineural tumors challenging, Siegrid Yu, MD, said at the annual meeting of the Pacific Dermatologic Association.
sup][8],[9] According to the National Comprehensive Cancer Network (NCCN) Guidelines, such clinicopathologic characteristics are considered high-risk Stage II patients for adjuvant treatment: fewer lymph nodes (LNs) retrieved (<12) during surgery,[sup][10],[11] T4 staging, poorly differentiated tumor, lymphovascular or perineural invasion,[sup][9],[12] obstructing or perforating cancers [sup][8],[13],[14] and positive margins.
Among the 30 prostate cancer tissues, 30% patients had lympho-vascular invasion whereas 50% patients had perineural invasion.
In a study, perineural dexmedetomidine added to ropivacaine for sciatic nerve block in rats prolonged the duration of analgesia by blocking the hyperpolarization-activated cation.
Whenever I came up with a diagnosis of cancer, instead of immediately checking for lymph node metastasis for staging or perineural invasion, I would think: How is this going to affect the patient and his/her family?
Based on the injury type, the nerve repair biomaterial market is segmented into epineural nerve repair, perineural nerve repair, and group fascicular repair.
The superomedial margin of the masticator space includes soft tissues inferior to the foramen ovale so any malignancy involving the MS has potential to extend to the cavernous sinus via retrograde perineural spread along cranial nerve V3.
These parameters include evaluation of less than 12 lymph nodes (11), lymphovascular or perineural invasion, poor tumor differentiation, younger age, close resection lines, and perforation during or after surgery (4,12).
Prevalence of location of tumors, histopathological type, different grades of tumours, lymphovascular and perineural invasions in the colon.
The most common known factors affecting the prognosis of TC are, tumor size, tumor proximity to midline, tongue base involvement, cervical lymph node involvement and pathological parameters (invasion depth, status of surgical margin, differentiation, lymphovascular and perineural invasion etc.
9,10) In the absence of AFB in the nerve biopsy specimens features like endoneurial or perineural mononuclear infiltrate and perineural fibrosis are suggestive of leprous neuritis in an endemic country.