The neck nerve sheath film lump

The nerve sheath film lump(schwannoma) originates Shi Wan's cellses of nerve sheath film, can be taken place to a fan to walk, the tongue swallow, the pair, Ge and neck hand over feeling, neck cluster and arm cluster etc. nerve, the more occurrence walks at the fan, the neck hand over feeling and tongue to swallow nerve.
Naked eye view, the nerve sheath lump has an integrity of wrap a film, the size is different, the quality is solid and present circular or knot stanza-like in shape, often oppress close by organization, but not occurrence gradually, glue with the nerve that it takes place connect together.Slicing the noodles as the hoariness or the ash yellow is slightly transparent and slice noodles it is thus clear that eddy-like in shape structure sometimes still have issue of blood to change with the bag.
Under mirror, the tumor contains two kinds of organization appearances.In order to tie a form type(the type of Antoni A)1, the cell is thin to grow, shuttle form, the state isn't pure, pit long oval, the mutual close and parallel alignment assumes grid-like in shape or incompletion of eddy-like in shape, call Verocay small body.Another is net type(the type of Antoni B), the cell is rarely seen and arrange into sparse net structure, the cell has more liquid and often have a small bag chamber formation.Above two structure are usually aring existed to the same tumor in the meantime, the in the interval contains transition form, but majority regard an among those types as principle.About 10% tumors with longer course of illnesses, the performance is little for cell, the gum original fiber is many and form the fiber scar formation erupts to living the glass kind changes, just in parts of districts it is thus clear that the structure of the nerve sheath lump of a little amount typical model.
Clinical performance therewith size and part but difference, the small tumor can have no symptom and compare the big is pressed but cause to paralyze because of implicating nerve or ache, and follow nerve emanation.Listen to inside the Lu the nerve lump can cause the sense of hearing symptoms, such as obstacle and buzzing in the ears...etc..Majority of tumor ability the surgical operation cure for good, very few the number and brain stem or spinal cord etc. are close to glue connect can not completely cut off can relapse, relapse tumor still positive.