Hi doctor, I recently had a serum PEL IFE with a free light chain analysis. PEL and IFE were normal, but elevated kappa 39.86 mg/L and lambda 19 mg/L with the ratio of 2:1. The test was done due to persistent and worsening polyneuropathy. Currently, I am having confusion and significant short-term memory loss. I have a previous history of confirmed neurological Lyme disease and Bartonella before three years. I appreciate any of your thoughts.
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