Table 1

 Laboratory tests in patients with chronic polyneuropathy

ACE, angiotensin converting enzyme; ANCA, antineutrophil cytoplasmic antigen antibodies; ANF, antinuclear factor; ESR, erythrocyte sedimentation rate; TSH, thyroid stimulating hormone.
ESRFolate
HaemoglobinVitamin B-1, B-12
Mean cell volumeGlucose
White cell countTSH
PlateletsSerum protein electrophoresis
SodiumANF
PotassiumANCA
CreatinineNuclear antigen antibodies
Alkaline phosphataseSerum ACE
Blood urea nitrogenUrine: glucose, proteins
γ-Glutamyltransferase
Lyme and HIV tests, anti-Hu: if indicated