 Evaluation so far has also shown no evidence of an amyloid neuropathy, no evidence of a monoclonal gammopathy, of sarcoidosis, and again there is no past history of a significant toxin or infective cause for the neuropathy. 
Evaluation so far has also shown no evidence of an amyloid neuropathy , no evidence of a monoclonal gammopathy , of sarcoidosis , and again there is no past history of a significant toxin or infective cause for the neuropathy .