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The authors report on a 40-year-old female patient with pain, paresthesias and hypesthesias involving the distal parts of the lower extremities. Standard electromyography revealed no abnormalities, while the assessment of thermal and pain sensation and electrophysiologic evalu­ation of autonomic function suggested severe small (autonomic and somatic) nerve fibre neuropathy. The diagnosis was supported by morphologic findings. The peripheral neuropathy was caused by primary Sjögren’s (sicca) syndrome.