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Value of electrophysiologic tests for peripheral nerve neuromas
Author(s) -
Kline David G.,
Hackett Earl R.
Publication year - 1970
Publication title -
journal of surgical oncology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.201
H-Index - 111
eISSN - 1096-9098
pISSN - 0022-4790
DOI - 10.1002/jso.2930020314
Subject(s) - reinnervation , medicine , electromyography , denervation , neuroma , nerve conduction velocity , nerve conduction , peripheral nerve , lesion , anesthesia , surgery , anatomy , physical medicine and rehabilitation
Management of a peripheral nerve neuroma can be improved by the use of electro‐physiologic tests. The relative value of these tests and their possible applications are discussed in some detail. Nerve stimulation either preoperatively or at the operating table remains the simplest and best test for early regeneration. Electromyography can document denervation, although similar conclusions can usually be reached by a careful clinical examination. Nascent muscle action potentials or decreased numbers of fibrillations can be recorded by electromyography and sometimes herald return of function. Conduction velocity tests are most useful for neuropathies of nontraumatic origin, while muscle stimulation tests are of limited value because they tell the investigator little about the quantity or quality of reinnervation. Evoked nerve action potentials (NAP) can be recorded at the operating table and are helpful in documenting a partial lesion or relatively early regeneration.