Casts of the lymphatics of the canine small intestine were made by direct injection of a low viscosity methacrylate resin into a large lymphatic in the submucosal layer, and observed under a scanning electron microscope. The lymphatics started with rod-like central lacteals in the villi of the jejunum and leaf-like ones in those of the ileum. The bases of the lacteals were connected by slender ...

Anatomy of the brachial plexus Roots The brachial plexus is most commonly formed by five roots originating from the ventral divisions of spinal nerves C5 through T1. The roots of the plexus are located in the cervical paravertebral space, between the anterior and middle scalene muscles. Besides understanding its origins, it is also important to understand the plexus in terms of the relative sur...

Neurolymphomatosis is a rare manifestation of non-Hodgkin lymphoma characterized by infiltration of peripheral nerves, nerve roots, plexus and cranial nerves by malignant lymphocytes. This report presents positron emission tomography/computed tomography (PET/CT)imaging with 2-deoxy-2-18F-fluoro-D-glucose (18F-FDG) in 3 cases of non-Hodgkin lymphoma with nerve infiltration, including one newly d...

While most often transient, brachial plexus birth injury can cause permanent neurologic injury. The major risk factors for brachial plexus birth injury are fetal macrosomia and shoulder dystocia. The degree of injury to the brachial plexus should be determined in the neonatal nursery, as those infants with the most severe injury--root avulsion--should be referred early for surgical evaluation s...

Background: The most common mechanism associated with the development of choroid plexus carcinoma seems to be mutation of the TP53 gene. The R337H mutation of the TP53 gene has been reported in a significant proportion of patients with choroid plexus tumors. The aim of the present study was to use immunohistochemical techniques to establish whether the presence of the R337H mutation is associat...

Chronic pelvic pain is a common problem with variable etiology. The sympathetic nervous system plays an important role in the transmission of visceral pain regardless of its etiology. Sympathetic nerve block is effective and safe for treatment of pelvic visceral pain. One of them, the inferior hypogastric plexus, is not easily assessable to blockade by local anesthetics and neurolytic agents. I...

The organization of autonomic nerve structures in the large intestine of chinchilla was investigated using histochemical and immunocytochemical methods. The myenteric plexus formed network nodes of cholinergic neurocyte agglomerations connected with bundles of nerve fibres and localized between the circular and longitudinal layers of the smooth muscles. The highest density of myenteric plexus w...

The brachial plexus is a complex anatomical structure that links the cervical spine with muscles and dermatomes of the arm. An expert neurodiagnostic system, PlexusDx, has been developed to assist in the diagnosis of brachial plexus legions. This is part of a larger neuro-diagnostic system called Neurobridge. Benchmarks for lesions of the plexus were created and tested against diagnoses of vari...